Home / 5,447.85-7,499.61-4,888.14

Finding the Fourth Proportional to 5,447.85, 7,499.61 and 4,888.14

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Solution

The fourth proportional to 5,447.85, 7,499.61 and 4,888.14 is: 6,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.85 : 7,499.61 = 4,888.14 : x
  2. Step 2: Convert to fraction form
    5,447.85/7,499.61 = 4,888.14/x
  3. Step 3: Cross multiply
    5,447.85x = 7,499.61 × 4,888.14
  4. Step 4: Simplify right side
    5,447.85x = 36,659,143.63
  5. Step 5: Solve for x
    x = 36,659,143.63/5,447.85
  6. Step 6: Final answer
    x = 6,729.10

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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.