Home / 6,315.20-9,472.16-1,932.69

Finding the Fourth Proportional to 6,315.20, 9,472.16 and 1,932.69

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Solution

The fourth proportional to 6,315.20, 9,472.16 and 1,932.69 is: 2,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.20 : 9,472.16 = 1,932.69 : x
  2. Step 2: Convert to fraction form
    6,315.20/9,472.16 = 1,932.69/x
  3. Step 3: Cross multiply
    6,315.20x = 9,472.16 × 1,932.69
  4. Step 4: Simplify right side
    6,315.20x = 18,306,753.74
  5. Step 5: Solve for x
    x = 18,306,753.74/6,315.20
  6. Step 6: Final answer
    x = 2,898.84

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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.