Home / 8,890.28-13,337.31-3,045.32

Finding the Fourth Proportional to 8,890.28, 13,337.31 and 3,045.32

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Solution

The fourth proportional to 8,890.28, 13,337.31 and 3,045.32 is: 4,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.28 : 13,337.31 = 3,045.32 : x
  2. Step 2: Convert to fraction form
    8,890.28/13,337.31 = 3,045.32/x
  3. Step 3: Cross multiply
    8,890.28x = 13,337.31 × 3,045.32
  4. Step 4: Simplify right side
    8,890.28x = 40,616,376.89
  5. Step 5: Solve for x
    x = 40,616,376.89/8,890.28
  6. Step 6: Final answer
    x = 4,568.63

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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.