Home / 8,985.55-13,478.33-4,176.52

Finding the Fourth Proportional to 8,985.55, 13,478.33 and 4,176.52

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Solution

The fourth proportional to 8,985.55, 13,478.33 and 4,176.52 is: 6,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.55 : 13,478.33 = 4,176.52 : x
  2. Step 2: Convert to fraction form
    8,985.55/13,478.33 = 4,176.52/x
  3. Step 3: Cross multiply
    8,985.55x = 13,478.33 × 4,176.52
  4. Step 4: Simplify right side
    8,985.55x = 56,292,514.81
  5. Step 5: Solve for x
    x = 56,292,514.81/8,985.55
  6. Step 6: Final answer
    x = 6,264.78

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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.