Home / 7,390.13-11,085.20-7,204.23

Finding the Fourth Proportional to 7,390.13, 11,085.20 and 7,204.23

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Solution

The fourth proportional to 7,390.13, 11,085.20 and 7,204.23 is: 10,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.13 : 11,085.20 = 7,204.23 : x
  2. Step 2: Convert to fraction form
    7,390.13/11,085.20 = 7,204.23/x
  3. Step 3: Cross multiply
    7,390.13x = 11,085.20 × 7,204.23
  4. Step 4: Simplify right side
    7,390.13x = 79,860,294.37
  5. Step 5: Solve for x
    x = 79,860,294.37/7,390.13
  6. Step 6: Final answer
    x = 10,806.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.