Home / 7,078.46-10,617.69-2,148.13

Finding the Fourth Proportional to 7,078.46, 10,617.69 and 2,148.13

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Solution

The fourth proportional to 7,078.46, 10,617.69 and 2,148.13 is: 3,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.46 : 10,617.69 = 2,148.13 : x
  2. Step 2: Convert to fraction form
    7,078.46/10,617.69 = 2,148.13/x
  3. Step 3: Cross multiply
    7,078.46x = 10,617.69 × 2,148.13
  4. Step 4: Simplify right side
    7,078.46x = 22,808,125.33
  5. Step 5: Solve for x
    x = 22,808,125.33/7,078.46
  6. Step 6: Final answer
    x = 3,222.19

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Similar ratio
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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.