Home / 8,070.03-11,132.16-7,499.21

Finding the Fourth Proportional to 8,070.03, 11,132.16 and 7,499.21

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Solution

The fourth proportional to 8,070.03, 11,132.16 and 7,499.21 is: 10,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.03 : 11,132.16 = 7,499.21 : x
  2. Step 2: Convert to fraction form
    8,070.03/11,132.16 = 7,499.21/x
  3. Step 3: Cross multiply
    8,070.03x = 11,132.16 × 7,499.21
  4. Step 4: Simplify right side
    8,070.03x = 83,482,374.21
  5. Step 5: Solve for x
    x = 83,482,374.21/8,070.03
  6. Step 6: Final answer
    x = 10,344.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.