Home / 5,270.28-7,905.32-1,572.52

Finding the Fourth Proportional to 5,270.28, 7,905.32 and 1,572.52

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Solution

The fourth proportional to 5,270.28, 7,905.32 and 1,572.52 is: 2,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.28 : 7,905.32 = 1,572.52 : x
  2. Step 2: Convert to fraction form
    5,270.28/7,905.32 = 1,572.52/x
  3. Step 3: Cross multiply
    5,270.28x = 7,905.32 × 1,572.52
  4. Step 4: Simplify right side
    5,270.28x = 12,431,273.81
  5. Step 5: Solve for x
    x = 12,431,273.81/5,270.28
  6. Step 6: Final answer
    x = 2,358.75

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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.