Home / 8,347.43-12,521.45-5,708.65

Finding the Fourth Proportional to 8,347.43, 12,521.45 and 5,708.65

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Solution

The fourth proportional to 8,347.43, 12,521.45 and 5,708.65 is: 8,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.43 : 12,521.45 = 5,708.65 : x
  2. Step 2: Convert to fraction form
    8,347.43/12,521.45 = 5,708.65/x
  3. Step 3: Cross multiply
    8,347.43x = 12,521.45 × 5,708.65
  4. Step 4: Simplify right side
    8,347.43x = 71,480,575.54
  5. Step 5: Solve for x
    x = 71,480,575.54/8,347.43
  6. Step 6: Final answer
    x = 8,563.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.