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Finding the Fourth Proportional to 5,977.98, 8,250.66 and 3,888.18

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Solution

The fourth proportional to 5,977.98, 8,250.66 and 3,888.18 is: 5,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.98 : 8,250.66 = 3,888.18 : x
  2. Step 2: Convert to fraction form
    5,977.98/8,250.66 = 3,888.18/x
  3. Step 3: Cross multiply
    5,977.98x = 8,250.66 × 3,888.18
  4. Step 4: Simplify right side
    5,977.98x = 32,080,051.20
  5. Step 5: Solve for x
    x = 32,080,051.20/5,977.98
  6. Step 6: Final answer
    x = 5,366.37

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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.