Home / 9,382.28-12,935.80-6,862.36

Finding the Fourth Proportional to 9,382.28, 12,935.80 and 6,862.36

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Solution

The fourth proportional to 9,382.28, 12,935.80 and 6,862.36 is: 9,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.28 : 12,935.80 = 6,862.36 : x
  2. Step 2: Convert to fraction form
    9,382.28/12,935.80 = 6,862.36/x
  3. Step 3: Cross multiply
    9,382.28x = 12,935.80 × 6,862.36
  4. Step 4: Simplify right side
    9,382.28x = 88,770,116.49
  5. Step 5: Solve for x
    x = 88,770,116.49/9,382.28
  6. Step 6: Final answer
    x = 9,461.47

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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.