Home / 8,499.24-11,729.34-4,722.40

Finding the Fourth Proportional to 8,499.24, 11,729.34 and 4,722.40

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Solution

The fourth proportional to 8,499.24, 11,729.34 and 4,722.40 is: 6,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.24 : 11,729.34 = 4,722.40 : x
  2. Step 2: Convert to fraction form
    8,499.24/11,729.34 = 4,722.40/x
  3. Step 3: Cross multiply
    8,499.24x = 11,729.34 × 4,722.40
  4. Step 4: Simplify right side
    8,499.24x = 55,390,635.22
  5. Step 5: Solve for x
    x = 55,390,635.22/8,499.24
  6. Step 6: Final answer
    x = 6,517.13

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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.