Home / 7,855.92-10,840.77-4,498.56

Finding the Fourth Proportional to 7,855.92, 10,840.77 and 4,498.56

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Solution

The fourth proportional to 7,855.92, 10,840.77 and 4,498.56 is: 6,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.92 : 10,840.77 = 4,498.56 : x
  2. Step 2: Convert to fraction form
    7,855.92/10,840.77 = 4,498.56/x
  3. Step 3: Cross multiply
    7,855.92x = 10,840.77 × 4,498.56
  4. Step 4: Simplify right side
    7,855.92x = 48,767,854.29
  5. Step 5: Solve for x
    x = 48,767,854.29/7,855.92
  6. Step 6: Final answer
    x = 6,207.78

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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.