Home / 7,358.72-10,155.04-4,001.54

Finding the Fourth Proportional to 7,358.72, 10,155.04 and 4,001.54

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Solution

The fourth proportional to 7,358.72, 10,155.04 and 4,001.54 is: 5,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.72 : 10,155.04 = 4,001.54 : x
  2. Step 2: Convert to fraction form
    7,358.72/10,155.04 = 4,001.54/x
  3. Step 3: Cross multiply
    7,358.72x = 10,155.04 × 4,001.54
  4. Step 4: Simplify right side
    7,358.72x = 40,635,798.76
  5. Step 5: Solve for x
    x = 40,635,798.76/7,358.72
  6. Step 6: Final answer
    x = 5,522.13

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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.