Home / 5,337.60-8,005.32-1,875.12

Finding the Fourth Proportional to 5,337.60, 8,005.32 and 1,875.12

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Solution

The fourth proportional to 5,337.60, 8,005.32 and 1,875.12 is: 2,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.60 : 8,005.32 = 1,875.12 : x
  2. Step 2: Convert to fraction form
    5,337.60/8,005.32 = 1,875.12/x
  3. Step 3: Cross multiply
    5,337.60x = 8,005.32 × 1,875.12
  4. Step 4: Simplify right side
    5,337.60x = 15,010,935.64
  5. Step 5: Solve for x
    x = 15,010,935.64/5,337.60
  6. Step 6: Final answer
    x = 2,812.30

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1.5x scale

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.