Home / 8,987.42-13,472.82-4,595.20

Finding the Fourth Proportional to 8,987.42, 13,472.82 and 4,595.20

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Solution

The fourth proportional to 8,987.42, 13,472.82 and 4,595.20 is: 6,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.42 : 13,472.82 = 4,595.20 : x
  2. Step 2: Convert to fraction form
    8,987.42/13,472.82 = 4,595.20/x
  3. Step 3: Cross multiply
    8,987.42x = 13,472.82 × 4,595.20
  4. Step 4: Simplify right side
    8,987.42x = 61,910,302.46
  5. Step 5: Solve for x
    x = 61,910,302.46/8,987.42
  6. Step 6: Final answer
    x = 6,888.55

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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.