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Finding the Fourth Proportional to 6,159.80, 8,500.80 and 3,507.77

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Solution

The fourth proportional to 6,159.80, 8,500.80 and 3,507.77 is: 4,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.80 : 8,500.80 = 3,507.77 : x
  2. Step 2: Convert to fraction form
    6,159.80/8,500.80 = 3,507.77/x
  3. Step 3: Cross multiply
    6,159.80x = 8,500.80 × 3,507.77
  4. Step 4: Simplify right side
    6,159.80x = 29,818,851.22
  5. Step 5: Solve for x
    x = 29,818,851.22/6,159.80
  6. Step 6: Final answer
    x = 4,840.88

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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.