Home / 8,708.04-12,013.92-5,725.08

Finding the Fourth Proportional to 8,708.04, 12,013.92 and 5,725.08

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Solution

The fourth proportional to 8,708.04, 12,013.92 and 5,725.08 is: 7,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.04 : 12,013.92 = 5,725.08 : x
  2. Step 2: Convert to fraction form
    8,708.04/12,013.92 = 5,725.08/x
  3. Step 3: Cross multiply
    8,708.04x = 12,013.92 × 5,725.08
  4. Step 4: Simplify right side
    8,708.04x = 68,780,653.11
  5. Step 5: Solve for x
    x = 68,780,653.11/8,708.04
  6. Step 6: Final answer
    x = 7,898.52

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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.