Home / 7,655.11-11,483.08-2,390.84

Finding the Fourth Proportional to 7,655.11, 11,483.08 and 2,390.84

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Solution

The fourth proportional to 7,655.11, 11,483.08 and 2,390.84 is: 3,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.11 : 11,483.08 = 2,390.84 : x
  2. Step 2: Convert to fraction form
    7,655.11/11,483.08 = 2,390.84/x
  3. Step 3: Cross multiply
    7,655.11x = 11,483.08 × 2,390.84
  4. Step 4: Simplify right side
    7,655.11x = 27,454,195.03
  5. Step 5: Solve for x
    x = 27,454,195.03/7,655.11
  6. Step 6: Final answer
    x = 3,586.39

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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.