Home / 9,122.24-12,587.14-5,088.20

Finding the Fourth Proportional to 9,122.24, 12,587.14 and 5,088.20

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Solution

The fourth proportional to 9,122.24, 12,587.14 and 5,088.20 is: 7,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.24 : 12,587.14 = 5,088.20 : x
  2. Step 2: Convert to fraction form
    9,122.24/12,587.14 = 5,088.20/x
  3. Step 3: Cross multiply
    9,122.24x = 12,587.14 × 5,088.20
  4. Step 4: Simplify right side
    9,122.24x = 64,045,885.75
  5. Step 5: Solve for x
    x = 64,045,885.75/9,122.24
  6. Step 6: Final answer
    x = 7,020.85

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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.