Home / 6,461.18-8,917.40-3,944.76

Finding the Fourth Proportional to 6,461.18, 8,917.40 and 3,944.76

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Solution

The fourth proportional to 6,461.18, 8,917.40 and 3,944.76 is: 5,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.18 : 8,917.40 = 3,944.76 : x
  2. Step 2: Convert to fraction form
    6,461.18/8,917.40 = 3,944.76/x
  3. Step 3: Cross multiply
    6,461.18x = 8,917.40 × 3,944.76
  4. Step 4: Simplify right side
    6,461.18x = 35,176,979.25
  5. Step 5: Solve for x
    x = 35,176,979.25/6,461.18
  6. Step 6: Final answer
    x = 5,444.36

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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.