Home / 5,250.60-7,875.27-1,355.31

Finding the Fourth Proportional to 5,250.60, 7,875.27 and 1,355.31

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Solution

The fourth proportional to 5,250.60, 7,875.27 and 1,355.31 is: 2,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.60 : 7,875.27 = 1,355.31 : x
  2. Step 2: Convert to fraction form
    5,250.60/7,875.27 = 1,355.31/x
  3. Step 3: Cross multiply
    5,250.60x = 7,875.27 × 1,355.31
  4. Step 4: Simplify right side
    5,250.60x = 10,673,432.18
  5. Step 5: Solve for x
    x = 10,673,432.18/5,250.60
  6. Step 6: Final answer
    x = 2,032.80

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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.