Home / 6,715.20-10,071.18-2,818.56

Finding the Fourth Proportional to 6,715.20, 10,071.18 and 2,818.56

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Solution

The fourth proportional to 6,715.20, 10,071.18 and 2,818.56 is: 4,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.20 : 10,071.18 = 2,818.56 : x
  2. Step 2: Convert to fraction form
    6,715.20/10,071.18 = 2,818.56/x
  3. Step 3: Cross multiply
    6,715.20x = 10,071.18 × 2,818.56
  4. Step 4: Simplify right side
    6,715.20x = 28,386,225.10
  5. Step 5: Solve for x
    x = 28,386,225.10/6,715.20
  6. Step 6: Final answer
    x = 4,227.16

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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.