Home / 5,319.15-7,342.07-3,639.92

Finding the Fourth Proportional to 5,319.15, 7,342.07 and 3,639.92

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Solution

The fourth proportional to 5,319.15, 7,342.07 and 3,639.92 is: 5,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.15 : 7,342.07 = 3,639.92 : x
  2. Step 2: Convert to fraction form
    5,319.15/7,342.07 = 3,639.92/x
  3. Step 3: Cross multiply
    5,319.15x = 7,342.07 × 3,639.92
  4. Step 4: Simplify right side
    5,319.15x = 26,724,492.52
  5. Step 5: Solve for x
    x = 26,724,492.52/5,319.15
  6. Step 6: Final answer
    x = 5,024.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.