Home / 7,397.28-10,217.12-5,404.64

Finding the Fourth Proportional to 7,397.28, 10,217.12 and 5,404.64

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Solution

The fourth proportional to 7,397.28, 10,217.12 and 5,404.64 is: 7,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.28 : 10,217.12 = 5,404.64 : x
  2. Step 2: Convert to fraction form
    7,397.28/10,217.12 = 5,404.64/x
  3. Step 3: Cross multiply
    7,397.28x = 10,217.12 × 5,404.64
  4. Step 4: Simplify right side
    7,397.28x = 55,219,855.44
  5. Step 5: Solve for x
    x = 55,219,855.44/7,397.28
  6. Step 6: Final answer
    x = 7,464.89

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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.