Home / 8,880.32-13,320.82-2,957.74

Finding the Fourth Proportional to 8,880.32, 13,320.82 and 2,957.74

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Solution

The fourth proportional to 8,880.32, 13,320.82 and 2,957.74 is: 4,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.32 : 13,320.82 = 2,957.74 : x
  2. Step 2: Convert to fraction form
    8,880.32/13,320.82 = 2,957.74/x
  3. Step 3: Cross multiply
    8,880.32x = 13,320.82 × 2,957.74
  4. Step 4: Simplify right side
    8,880.32x = 39,399,522.15
  5. Step 5: Solve for x
    x = 39,399,522.15/8,880.32
  6. Step 6: Final answer
    x = 4,436.72

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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.