Home / 8,708.36-12,017.56-4,729.54

Finding the Fourth Proportional to 8,708.36, 12,017.56 and 4,729.54

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Solution

The fourth proportional to 8,708.36, 12,017.56 and 4,729.54 is: 6,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.36 : 12,017.56 = 4,729.54 : x
  2. Step 2: Convert to fraction form
    8,708.36/12,017.56 = 4,729.54/x
  3. Step 3: Cross multiply
    8,708.36x = 12,017.56 × 4,729.54
  4. Step 4: Simplify right side
    8,708.36x = 56,837,530.72
  5. Step 5: Solve for x
    x = 56,837,530.72/8,708.36
  6. Step 6: Final answer
    x = 6,526.78

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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.