Home / 7,276.28-10,915.12-2,892.76

Finding the Fourth Proportional to 7,276.28, 10,915.12 and 2,892.76

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Solution

The fourth proportional to 7,276.28, 10,915.12 and 2,892.76 is: 4,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.28 : 10,915.12 = 2,892.76 : x
  2. Step 2: Convert to fraction form
    7,276.28/10,915.12 = 2,892.76/x
  3. Step 3: Cross multiply
    7,276.28x = 10,915.12 × 2,892.76
  4. Step 4: Simplify right side
    7,276.28x = 31,574,822.53
  5. Step 5: Solve for x
    x = 31,574,822.53/7,276.28
  6. Step 6: Final answer
    x = 4,339.42

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1.5x scale

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.