Home / 6,747.66-9,312.89-3,916.71

Finding the Fourth Proportional to 6,747.66, 9,312.89 and 3,916.71

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Solution

The fourth proportional to 6,747.66, 9,312.89 and 3,916.71 is: 5,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.66 : 9,312.89 = 3,916.71 : x
  2. Step 2: Convert to fraction form
    6,747.66/9,312.89 = 3,916.71/x
  3. Step 3: Cross multiply
    6,747.66x = 9,312.89 × 3,916.71
  4. Step 4: Simplify right side
    6,747.66x = 36,475,889.39
  5. Step 5: Solve for x
    x = 36,475,889.39/6,747.66
  6. Step 6: Final answer
    x = 5,405.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.