Home / 8,391.08-12,588.76-2,468.18

Finding the Fourth Proportional to 8,391.08, 12,588.76 and 2,468.18

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Solution

The fourth proportional to 8,391.08, 12,588.76 and 2,468.18 is: 3,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.08 : 12,588.76 = 2,468.18 : x
  2. Step 2: Convert to fraction form
    8,391.08/12,588.76 = 2,468.18/x
  3. Step 3: Cross multiply
    8,391.08x = 12,588.76 × 2,468.18
  4. Step 4: Simplify right side
    8,391.08x = 31,071,250.37
  5. Step 5: Solve for x
    x = 31,071,250.37/8,391.08
  6. Step 6: Final answer
    x = 3,702.89

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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.