Home / 6,878.05-9,488.07-4,355.71

Finding the Fourth Proportional to 6,878.05, 9,488.07 and 4,355.71

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Solution

The fourth proportional to 6,878.05, 9,488.07 and 4,355.71 is: 6,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.05 : 9,488.07 = 4,355.71 : x
  2. Step 2: Convert to fraction form
    6,878.05/9,488.07 = 4,355.71/x
  3. Step 3: Cross multiply
    6,878.05x = 9,488.07 × 4,355.71
  4. Step 4: Simplify right side
    6,878.05x = 41,327,257.66
  5. Step 5: Solve for x
    x = 41,327,257.66/6,878.05
  6. Step 6: Final answer
    x = 6,008.57

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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.