Home / 6,853.13-9,457.75-3,867.88

Finding the Fourth Proportional to 6,853.13, 9,457.75 and 3,867.88

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Solution

The fourth proportional to 6,853.13, 9,457.75 and 3,867.88 is: 5,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.13 : 9,457.75 = 3,867.88 : x
  2. Step 2: Convert to fraction form
    6,853.13/9,457.75 = 3,867.88/x
  3. Step 3: Cross multiply
    6,853.13x = 9,457.75 × 3,867.88
  4. Step 4: Simplify right side
    6,853.13x = 36,581,442.07
  5. Step 5: Solve for x
    x = 36,581,442.07/6,853.13
  6. Step 6: Final answer
    x = 5,337.92

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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.