Home / 6,316.96-8,717.38-3,665.90

Finding the Fourth Proportional to 6,316.96, 8,717.38 and 3,665.90

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Solution

The fourth proportional to 6,316.96, 8,717.38 and 3,665.90 is: 5,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.96 : 8,717.38 = 3,665.90 : x
  2. Step 2: Convert to fraction form
    6,316.96/8,717.38 = 3,665.90/x
  3. Step 3: Cross multiply
    6,316.96x = 8,717.38 × 3,665.90
  4. Step 4: Simplify right side
    6,316.96x = 31,957,043.34
  5. Step 5: Solve for x
    x = 31,957,043.34/6,316.96
  6. Step 6: Final answer
    x = 5,058.93

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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.