Home / 7,459.40-11,189.10-2,265.28

Finding the Fourth Proportional to 7,459.40, 11,189.10 and 2,265.28

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Solution

The fourth proportional to 7,459.40, 11,189.10 and 2,265.28 is: 3,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.40 : 11,189.10 = 2,265.28 : x
  2. Step 2: Convert to fraction form
    7,459.40/11,189.10 = 2,265.28/x
  3. Step 3: Cross multiply
    7,459.40x = 11,189.10 × 2,265.28
  4. Step 4: Simplify right side
    7,459.40x = 25,346,444.45
  5. Step 5: Solve for x
    x = 25,346,444.45/7,459.40
  6. Step 6: Final answer
    x = 3,397.92

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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.