Home / 6,864.12-9,469.34-4,031.45

Finding the Fourth Proportional to 6,864.12, 9,469.34 and 4,031.45

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Solution

The fourth proportional to 6,864.12, 9,469.34 and 4,031.45 is: 5,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.12 : 9,469.34 = 4,031.45 : x
  2. Step 2: Convert to fraction form
    6,864.12/9,469.34 = 4,031.45/x
  3. Step 3: Cross multiply
    6,864.12x = 9,469.34 × 4,031.45
  4. Step 4: Simplify right side
    6,864.12x = 38,175,123.40
  5. Step 5: Solve for x
    x = 38,175,123.40/6,864.12
  6. Step 6: Final answer
    x = 5,561.55

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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.