Home / 7,321.16-10,981.74-2,390.83

Finding the Fourth Proportional to 7,321.16, 10,981.74 and 2,390.83

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Solution

The fourth proportional to 7,321.16, 10,981.74 and 2,390.83 is: 3,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.16 : 10,981.74 = 2,390.83 : x
  2. Step 2: Convert to fraction form
    7,321.16/10,981.74 = 2,390.83/x
  3. Step 3: Cross multiply
    7,321.16x = 10,981.74 × 2,390.83
  4. Step 4: Simplify right side
    7,321.16x = 26,255,473.44
  5. Step 5: Solve for x
    x = 26,255,473.44/7,321.16
  6. Step 6: Final answer
    x = 3,586.25

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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.