Home / 8,437.19-12,657.09-3,758.82

Finding the Fourth Proportional to 8,437.19, 12,657.09 and 3,758.82

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Solution

The fourth proportional to 8,437.19, 12,657.09 and 3,758.82 is: 5,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.19 : 12,657.09 = 3,758.82 : x
  2. Step 2: Convert to fraction form
    8,437.19/12,657.09 = 3,758.82/x
  3. Step 3: Cross multiply
    8,437.19x = 12,657.09 × 3,758.82
  4. Step 4: Simplify right side
    8,437.19x = 47,575,723.03
  5. Step 5: Solve for x
    x = 47,575,723.03/8,437.19
  6. Step 6: Final answer
    x = 5,638.81

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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.