Home / 5,337.32-8,007.17-1,639.87

Finding the Fourth Proportional to 5,337.32, 8,007.17 and 1,639.87

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Solution

The fourth proportional to 5,337.32, 8,007.17 and 1,639.87 is: 2,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.32 : 8,007.17 = 1,639.87 : x
  2. Step 2: Convert to fraction form
    5,337.32/8,007.17 = 1,639.87/x
  3. Step 3: Cross multiply
    5,337.32x = 8,007.17 × 1,639.87
  4. Step 4: Simplify right side
    5,337.32x = 13,130,717.87
  5. Step 5: Solve for x
    x = 13,130,717.87/5,337.32
  6. Step 6: Final answer
    x = 2,460.17

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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.