Home / 8,154.30-11,252.98-4,618.20

Finding the Fourth Proportional to 8,154.30, 11,252.98 and 4,618.20

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Solution

The fourth proportional to 8,154.30, 11,252.98 and 4,618.20 is: 6,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.30 : 11,252.98 = 4,618.20 : x
  2. Step 2: Convert to fraction form
    8,154.30/11,252.98 = 4,618.20/x
  3. Step 3: Cross multiply
    8,154.30x = 11,252.98 × 4,618.20
  4. Step 4: Simplify right side
    8,154.30x = 51,968,512.24
  5. Step 5: Solve for x
    x = 51,968,512.24/8,154.30
  6. Step 6: Final answer
    x = 6,373.14

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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.