Home / 6,869.91-9,480.96-3,886.05

Finding the Fourth Proportional to 6,869.91, 9,480.96 and 3,886.05

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Solution

The fourth proportional to 6,869.91, 9,480.96 and 3,886.05 is: 5,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.91 : 9,480.96 = 3,886.05 : x
  2. Step 2: Convert to fraction form
    6,869.91/9,480.96 = 3,886.05/x
  3. Step 3: Cross multiply
    6,869.91x = 9,480.96 × 3,886.05
  4. Step 4: Simplify right side
    6,869.91x = 36,843,484.61
  5. Step 5: Solve for x
    x = 36,843,484.61/6,869.91
  6. Step 6: Final answer
    x = 5,363.02

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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.