Home / 10,437.02-15,645.78-3,861.44

Finding the Fourth Proportional to 10,437.02, 15,645.78 and 3,861.44

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Solution

The fourth proportional to 10,437.02, 15,645.78 and 3,861.44 is: 5,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.02 : 15,645.78 = 3,861.44 : x
  2. Step 2: Convert to fraction form
    10,437.02/15,645.78 = 3,861.44/x
  3. Step 3: Cross multiply
    10,437.02x = 15,645.78 × 3,861.44
  4. Step 4: Simplify right side
    10,437.02x = 60,415,240.72
  5. Step 5: Solve for x
    x = 60,415,240.72/10,437.02
  6. Step 6: Final answer
    x = 5,788.55

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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.