Home / 7,854.58-10,838.92-4,317.90

Finding the Fourth Proportional to 7,854.58, 10,838.92 and 4,317.90

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Solution

The fourth proportional to 7,854.58, 10,838.92 and 4,317.90 is: 5,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.58 : 10,838.92 = 4,317.90 : x
  2. Step 2: Convert to fraction form
    7,854.58/10,838.92 = 4,317.90/x
  3. Step 3: Cross multiply
    7,854.58x = 10,838.92 × 4,317.90
  4. Step 4: Simplify right side
    7,854.58x = 46,801,372.67
  5. Step 5: Solve for x
    x = 46,801,372.67/7,854.58
  6. Step 6: Final answer
    x = 5,958.48

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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.