Home / 7,854.11-10,835.96-4,868.85

Finding the Fourth Proportional to 7,854.11, 10,835.96 and 4,868.85

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Solution

The fourth proportional to 7,854.11, 10,835.96 and 4,868.85 is: 6,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.11 : 10,835.96 = 4,868.85 : x
  2. Step 2: Convert to fraction form
    7,854.11/10,835.96 = 4,868.85/x
  3. Step 3: Cross multiply
    7,854.11x = 10,835.96 × 4,868.85
  4. Step 4: Simplify right side
    7,854.11x = 52,758,663.85
  5. Step 5: Solve for x
    x = 52,758,663.85/7,854.11
  6. Step 6: Final answer
    x = 6,717.33

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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.