Home / 6,471.31-8,930.29-3,818.96

Finding the Fourth Proportional to 6,471.31, 8,930.29 and 3,818.96

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Solution

The fourth proportional to 6,471.31, 8,930.29 and 3,818.96 is: 5,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.31 : 8,930.29 = 3,818.96 : x
  2. Step 2: Convert to fraction form
    6,471.31/8,930.29 = 3,818.96/x
  3. Step 3: Cross multiply
    6,471.31x = 8,930.29 × 3,818.96
  4. Step 4: Simplify right side
    6,471.31x = 34,104,420.30
  5. Step 5: Solve for x
    x = 34,104,420.30/6,471.31
  6. Step 6: Final answer
    x = 5,270.10

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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.