Home / 8,861.02-13,287.47-3,310.30

Finding the Fourth Proportional to 8,861.02, 13,287.47 and 3,310.30

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Solution

The fourth proportional to 8,861.02, 13,287.47 and 3,310.30 is: 4,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.02 : 13,287.47 = 3,310.30 : x
  2. Step 2: Convert to fraction form
    8,861.02/13,287.47 = 3,310.30/x
  3. Step 3: Cross multiply
    8,861.02x = 13,287.47 × 3,310.30
  4. Step 4: Simplify right side
    8,861.02x = 43,985,428.95
  5. Step 5: Solve for x
    x = 43,985,428.95/8,861.02
  6. Step 6: Final answer
    x = 4,963.93

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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.