Home / 10,275.46-15,411.98-2,880.51

Finding the Fourth Proportional to 10,275.46, 15,411.98 and 2,880.51

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Solution

The fourth proportional to 10,275.46, 15,411.98 and 2,880.51 is: 4,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.46 : 15,411.98 = 2,880.51 : x
  2. Step 2: Convert to fraction form
    10,275.46/15,411.98 = 2,880.51/x
  3. Step 3: Cross multiply
    10,275.46x = 15,411.98 × 2,880.51
  4. Step 4: Simplify right side
    10,275.46x = 44,394,348.11
  5. Step 5: Solve for x
    x = 44,394,348.11/10,275.46
  6. Step 6: Final answer
    x = 4,320.43

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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.