Home / 6,897.11-9,512.78-4,376.97

Finding the Fourth Proportional to 6,897.11, 9,512.78 and 4,376.97

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Solution

The fourth proportional to 6,897.11, 9,512.78 and 4,376.97 is: 6,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.11 : 9,512.78 = 4,376.97 : x
  2. Step 2: Convert to fraction form
    6,897.11/9,512.78 = 4,376.97/x
  3. Step 3: Cross multiply
    6,897.11x = 9,512.78 × 4,376.97
  4. Step 4: Simplify right side
    6,897.11x = 41,637,130.79
  5. Step 5: Solve for x
    x = 41,637,130.79/6,897.11
  6. Step 6: Final answer
    x = 6,036.90

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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.