Home / 8,287.02-11,436.85-4,703.15

Finding the Fourth Proportional to 8,287.02, 11,436.85 and 4,703.15

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Solution

The fourth proportional to 8,287.02, 11,436.85 and 4,703.15 is: 6,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.02 : 11,436.85 = 4,703.15 : x
  2. Step 2: Convert to fraction form
    8,287.02/11,436.85 = 4,703.15/x
  3. Step 3: Cross multiply
    8,287.02x = 11,436.85 × 4,703.15
  4. Step 4: Simplify right side
    8,287.02x = 53,789,255.55
  5. Step 5: Solve for x
    x = 53,789,255.55/8,287.02
  6. Step 6: Final answer
    x = 6,490.78

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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.