Home / 8,708.14-12,016.87-4,729.15

Finding the Fourth Proportional to 8,708.14, 12,016.87 and 4,729.15

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Solution

The fourth proportional to 8,708.14, 12,016.87 and 4,729.15 is: 6,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.14 : 12,016.87 = 4,729.15 : x
  2. Step 2: Convert to fraction form
    8,708.14/12,016.87 = 4,729.15/x
  3. Step 3: Cross multiply
    8,708.14x = 12,016.87 × 4,729.15
  4. Step 4: Simplify right side
    8,708.14x = 56,829,580.76
  5. Step 5: Solve for x
    x = 56,829,580.76/8,708.14
  6. Step 6: Final answer
    x = 6,526.03

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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.