Home / 9,203.28-12,701.04-5,428.65

Finding the Fourth Proportional to 9,203.28, 12,701.04 and 5,428.65

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Solution

The fourth proportional to 9,203.28, 12,701.04 and 5,428.65 is: 7,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.28 : 12,701.04 = 5,428.65 : x
  2. Step 2: Convert to fraction form
    9,203.28/12,701.04 = 5,428.65/x
  3. Step 3: Cross multiply
    9,203.28x = 12,701.04 × 5,428.65
  4. Step 4: Simplify right side
    9,203.28x = 68,949,500.80
  5. Step 5: Solve for x
    x = 68,949,500.80/9,203.28
  6. Step 6: Final answer
    x = 7,491.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.