Home / 6,281.11-8,686.74-5,493.79

Finding the Fourth Proportional to 6,281.11, 8,686.74 and 5,493.79

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Solution

The fourth proportional to 6,281.11, 8,686.74 and 5,493.79 is: 7,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.11 : 8,686.74 = 5,493.79 : x
  2. Step 2: Convert to fraction form
    6,281.11/8,686.74 = 5,493.79/x
  3. Step 3: Cross multiply
    6,281.11x = 8,686.74 × 5,493.79
  4. Step 4: Simplify right side
    6,281.11x = 47,723,125.34
  5. Step 5: Solve for x
    x = 47,723,125.34/6,281.11
  6. Step 6: Final answer
    x = 7,597.88

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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.