Home / 8,859.47-13,291.04-3,665.35

Finding the Fourth Proportional to 8,859.47, 13,291.04 and 3,665.35

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Solution

The fourth proportional to 8,859.47, 13,291.04 and 3,665.35 is: 5,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.47 : 13,291.04 = 3,665.35 : x
  2. Step 2: Convert to fraction form
    8,859.47/13,291.04 = 3,665.35/x
  3. Step 3: Cross multiply
    8,859.47x = 13,291.04 × 3,665.35
  4. Step 4: Simplify right side
    8,859.47x = 48,716,261.91
  5. Step 5: Solve for x
    x = 48,716,261.91/8,859.47
  6. Step 6: Final answer
    x = 5,498.78

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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.