Home / 9,290.88-12,818.10-5,257.14

Finding the Fourth Proportional to 9,290.88, 12,818.10 and 5,257.14

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Solution

The fourth proportional to 9,290.88, 12,818.10 and 5,257.14 is: 7,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.88 : 12,818.10 = 5,257.14 : x
  2. Step 2: Convert to fraction form
    9,290.88/12,818.10 = 5,257.14/x
  3. Step 3: Cross multiply
    9,290.88x = 12,818.10 × 5,257.14
  4. Step 4: Simplify right side
    9,290.88x = 67,386,546.23
  5. Step 5: Solve for x
    x = 67,386,546.23/9,290.88
  6. Step 6: Final answer
    x = 7,252.98

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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.