Home / 6,328.10-9,490.89-2,167.76

Finding the Fourth Proportional to 6,328.10, 9,490.89 and 2,167.76

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Solution

The fourth proportional to 6,328.10, 9,490.89 and 2,167.76 is: 3,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.10 : 9,490.89 = 2,167.76 : x
  2. Step 2: Convert to fraction form
    6,328.10/9,490.89 = 2,167.76/x
  3. Step 3: Cross multiply
    6,328.10x = 9,490.89 × 2,167.76
  4. Step 4: Simplify right side
    6,328.10x = 20,573,971.71
  5. Step 5: Solve for x
    x = 20,573,971.71/6,328.10
  6. Step 6: Final answer
    x = 3,251.21

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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.