Home / 7,869.20-10,854.96-5,741.96

Finding the Fourth Proportional to 7,869.20, 10,854.96 and 5,741.96

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Solution

The fourth proportional to 7,869.20, 10,854.96 and 5,741.96 is: 7,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.20 : 10,854.96 = 5,741.96 : x
  2. Step 2: Convert to fraction form
    7,869.20/10,854.96 = 5,741.96/x
  3. Step 3: Cross multiply
    7,869.20x = 10,854.96 × 5,741.96
  4. Step 4: Simplify right side
    7,869.20x = 62,328,746.12
  5. Step 5: Solve for x
    x = 62,328,746.12/7,869.20
  6. Step 6: Final answer
    x = 7,920.59

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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.