Home / 5,250.32-7,875.50-1,354.76

Finding the Fourth Proportional to 5,250.32, 7,875.50 and 1,354.76

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Solution

The fourth proportional to 5,250.32, 7,875.50 and 1,354.76 is: 2,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.32 : 7,875.50 = 1,354.76 : x
  2. Step 2: Convert to fraction form
    5,250.32/7,875.50 = 1,354.76/x
  3. Step 3: Cross multiply
    5,250.32x = 7,875.50 × 1,354.76
  4. Step 4: Simplify right side
    5,250.32x = 10,669,412.38
  5. Step 5: Solve for x
    x = 10,669,412.38/5,250.32
  6. Step 6: Final answer
    x = 2,032.15

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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.