Home / 8,708.10-12,017.14-4,729.18

Finding the Fourth Proportional to 8,708.10, 12,017.14 and 4,729.18

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Solution

The fourth proportional to 8,708.10, 12,017.14 and 4,729.18 is: 6,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.10 : 12,017.14 = 4,729.18 : x
  2. Step 2: Convert to fraction form
    8,708.10/12,017.14 = 4,729.18/x
  3. Step 3: Cross multiply
    8,708.10x = 12,017.14 × 4,729.18
  4. Step 4: Simplify right side
    8,708.10x = 56,831,218.15
  5. Step 5: Solve for x
    x = 56,831,218.15/8,708.10
  6. Step 6: Final answer
    x = 6,526.25

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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.