Home / 6,917.76-10,383.36-6,543.18

Finding the Fourth Proportional to 6,917.76, 10,383.36 and 6,543.18

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Solution

The fourth proportional to 6,917.76, 10,383.36 and 6,543.18 is: 9,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.76 : 10,383.36 = 6,543.18 : x
  2. Step 2: Convert to fraction form
    6,917.76/10,383.36 = 6,543.18/x
  3. Step 3: Cross multiply
    6,917.76x = 10,383.36 × 6,543.18
  4. Step 4: Simplify right side
    6,917.76x = 67,940,193.48
  5. Step 5: Solve for x
    x = 67,940,193.48/6,917.76
  6. Step 6: Final answer
    x = 9,821.13

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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.