Home / 5,318.30-7,966.10-4,339.82

Finding the Fourth Proportional to 5,318.30, 7,966.10 and 4,339.82

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Solution

The fourth proportional to 5,318.30, 7,966.10 and 4,339.82 is: 6,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.30 : 7,966.10 = 4,339.82 : x
  2. Step 2: Convert to fraction form
    5,318.30/7,966.10 = 4,339.82/x
  3. Step 3: Cross multiply
    5,318.30x = 7,966.10 × 4,339.82
  4. Step 4: Simplify right side
    5,318.30x = 34,571,440.10
  5. Step 5: Solve for x
    x = 34,571,440.10/5,318.30
  6. Step 6: Final answer
    x = 6,500.47

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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.