Home / 8,939.34-12,340.88-6,298.53

Finding the Fourth Proportional to 8,939.34, 12,340.88 and 6,298.53

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Solution

The fourth proportional to 8,939.34, 12,340.88 and 6,298.53 is: 8,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.34 : 12,340.88 = 6,298.53 : x
  2. Step 2: Convert to fraction form
    8,939.34/12,340.88 = 6,298.53/x
  3. Step 3: Cross multiply
    8,939.34x = 12,340.88 × 6,298.53
  4. Step 4: Simplify right side
    8,939.34x = 77,729,371.41
  5. Step 5: Solve for x
    x = 77,729,371.41/8,939.34
  6. Step 6: Final answer
    x = 8,695.21

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1.5x scale

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.