Home / 10,438.08-15,655.60-3,040.55

Finding the Fourth Proportional to 10,438.08, 15,655.60 and 3,040.55

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Solution

The fourth proportional to 10,438.08, 15,655.60 and 3,040.55 is: 4,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.08 : 15,655.60 = 3,040.55 : x
  2. Step 2: Convert to fraction form
    10,438.08/15,655.60 = 3,040.55/x
  3. Step 3: Cross multiply
    10,438.08x = 15,655.60 × 3,040.55
  4. Step 4: Simplify right side
    10,438.08x = 47,601,715.43
  5. Step 5: Solve for x
    x = 47,601,715.43/10,438.08
  6. Step 6: Final answer
    x = 4,560.39

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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.