Home / 10,435.87-15,654.35-3,040.90

Finding the Fourth Proportional to 10,435.87, 15,654.35 and 3,040.90

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Solution

The fourth proportional to 10,435.87, 15,654.35 and 3,040.90 is: 4,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.87 : 15,654.35 = 3,040.90 : x
  2. Step 2: Convert to fraction form
    10,435.87/15,654.35 = 3,040.90/x
  3. Step 3: Cross multiply
    10,435.87x = 15,654.35 × 3,040.90
  4. Step 4: Simplify right side
    10,435.87x = 47,603,312.92
  5. Step 5: Solve for x
    x = 47,603,312.92/10,435.87
  6. Step 6: Final answer
    x = 4,561.51

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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.