Home / 5,285.80-7,291.96-3,714.81

Finding the Fourth Proportional to 5,285.80, 7,291.96 and 3,714.81

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Solution

The fourth proportional to 5,285.80, 7,291.96 and 3,714.81 is: 5,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.80 : 7,291.96 = 3,714.81 : x
  2. Step 2: Convert to fraction form
    5,285.80/7,291.96 = 3,714.81/x
  3. Step 3: Cross multiply
    5,285.80x = 7,291.96 × 3,714.81
  4. Step 4: Simplify right side
    5,285.80x = 27,088,245.93
  5. Step 5: Solve for x
    x = 27,088,245.93/5,285.80
  6. Step 6: Final answer
    x = 5,124.72

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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.