Home / 6,818.28-10,224.82-3,117.91

Finding the Fourth Proportional to 6,818.28, 10,224.82 and 3,117.91

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Solution

The fourth proportional to 6,818.28, 10,224.82 and 3,117.91 is: 4,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.28 : 10,224.82 = 3,117.91 : x
  2. Step 2: Convert to fraction form
    6,818.28/10,224.82 = 3,117.91/x
  3. Step 3: Cross multiply
    6,818.28x = 10,224.82 × 3,117.91
  4. Step 4: Simplify right side
    6,818.28x = 31,880,068.53
  5. Step 5: Solve for x
    x = 31,880,068.53/6,818.28
  6. Step 6: Final answer
    x = 4,675.68

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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.