Home / 10,617.28-15,926.08-2,827.20

Finding the Fourth Proportional to 10,617.28, 15,926.08 and 2,827.20

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Solution

The fourth proportional to 10,617.28, 15,926.08 and 2,827.20 is: 4,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.28 : 15,926.08 = 2,827.20 : x
  2. Step 2: Convert to fraction form
    10,617.28/15,926.08 = 2,827.20/x
  3. Step 3: Cross multiply
    10,617.28x = 15,926.08 × 2,827.20
  4. Step 4: Simplify right side
    10,617.28x = 45,026,213.38
  5. Step 5: Solve for x
    x = 45,026,213.38/10,617.28
  6. Step 6: Final answer
    x = 4,240.84

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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.