Home / 7,316.20-10,968.90-3,152.80

Finding the Fourth Proportional to 7,316.20, 10,968.90 and 3,152.80

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Solution

The fourth proportional to 7,316.20, 10,968.90 and 3,152.80 is: 4,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.20 : 10,968.90 = 3,152.80 : x
  2. Step 2: Convert to fraction form
    7,316.20/10,968.90 = 3,152.80/x
  3. Step 3: Cross multiply
    7,316.20x = 10,968.90 × 3,152.80
  4. Step 4: Simplify right side
    7,316.20x = 34,582,747.92
  5. Step 5: Solve for x
    x = 34,582,747.92/7,316.20
  6. Step 6: Final answer
    x = 4,726.87

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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.