Home / 8,859.66-13,291.40-4,419.72

Finding the Fourth Proportional to 8,859.66, 13,291.40 and 4,419.72

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Solution

The fourth proportional to 8,859.66, 13,291.40 and 4,419.72 is: 6,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.66 : 13,291.40 = 4,419.72 : x
  2. Step 2: Convert to fraction form
    8,859.66/13,291.40 = 4,419.72/x
  3. Step 3: Cross multiply
    8,859.66x = 13,291.40 × 4,419.72
  4. Step 4: Simplify right side
    8,859.66x = 58,744,244.31
  5. Step 5: Solve for x
    x = 58,744,244.31/8,859.66
  6. Step 6: Final answer
    x = 6,630.53

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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.