Home / 6,711.18-10,066.74-2,812.80

Finding the Fourth Proportional to 6,711.18, 10,066.74 and 2,812.80

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Solution

The fourth proportional to 6,711.18, 10,066.74 and 2,812.80 is: 4,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.18 : 10,066.74 = 2,812.80 : x
  2. Step 2: Convert to fraction form
    6,711.18/10,066.74 = 2,812.80/x
  3. Step 3: Cross multiply
    6,711.18x = 10,066.74 × 2,812.80
  4. Step 4: Simplify right side
    6,711.18x = 28,315,726.27
  5. Step 5: Solve for x
    x = 28,315,726.27/6,711.18
  6. Step 6: Final answer
    x = 4,219.19

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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.