Home / 4,355.72-6,012.80-2,587.88

Finding the Fourth Proportional to 4,355.72, 6,012.80 and 2,587.88

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Solution

The fourth proportional to 4,355.72, 6,012.80 and 2,587.88 is: 3,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.72 : 6,012.80 = 2,587.88 : x
  2. Step 2: Convert to fraction form
    4,355.72/6,012.80 = 2,587.88/x
  3. Step 3: Cross multiply
    4,355.72x = 6,012.80 × 2,587.88
  4. Step 4: Simplify right side
    4,355.72x = 15,560,404.86
  5. Step 5: Solve for x
    x = 15,560,404.86/4,355.72
  6. Step 6: Final answer
    x = 3,572.41

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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.