Home / 6,311.28-9,470.88-4,359.84

Finding the Fourth Proportional to 6,311.28, 9,470.88 and 4,359.84

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Solution

The fourth proportional to 6,311.28, 9,470.88 and 4,359.84 is: 6,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.28 : 9,470.88 = 4,359.84 : x
  2. Step 2: Convert to fraction form
    6,311.28/9,470.88 = 4,359.84/x
  3. Step 3: Cross multiply
    6,311.28x = 9,470.88 × 4,359.84
  4. Step 4: Simplify right side
    6,311.28x = 41,291,521.46
  5. Step 5: Solve for x
    x = 41,291,521.46/6,311.28
  6. Step 6: Final answer
    x = 6,542.50

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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.