Home / 10,275.28-15,411.14-2,877.98

Finding the Fourth Proportional to 10,275.28, 15,411.14 and 2,877.98

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Solution

The fourth proportional to 10,275.28, 15,411.14 and 2,877.98 is: 4,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.28 : 15,411.14 = 2,877.98 : x
  2. Step 2: Convert to fraction form
    10,275.28/15,411.14 = 2,877.98/x
  3. Step 3: Cross multiply
    10,275.28x = 15,411.14 × 2,877.98
  4. Step 4: Simplify right side
    10,275.28x = 44,352,875.64
  5. Step 5: Solve for x
    x = 44,352,875.64/10,275.28
  6. Step 6: Final answer
    x = 4,316.47

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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.