Home / 6,117.75-9,177.66-1,957.86

Finding the Fourth Proportional to 6,117.75, 9,177.66 and 1,957.86

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Solution

The fourth proportional to 6,117.75, 9,177.66 and 1,957.86 is: 2,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.75 : 9,177.66 = 1,957.86 : x
  2. Step 2: Convert to fraction form
    6,117.75/9,177.66 = 1,957.86/x
  3. Step 3: Cross multiply
    6,117.75x = 9,177.66 × 1,957.86
  4. Step 4: Simplify right side
    6,117.75x = 17,968,573.41
  5. Step 5: Solve for x
    x = 17,968,573.41/6,117.75
  6. Step 6: Final answer
    x = 2,937.12

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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.