Home / 5,081.40-7,610.76-4,303.80

Finding the Fourth Proportional to 5,081.40, 7,610.76 and 4,303.80

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Solution

The fourth proportional to 5,081.40, 7,610.76 and 4,303.80 is: 6,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.40 : 7,610.76 = 4,303.80 : x
  2. Step 2: Convert to fraction form
    5,081.40/7,610.76 = 4,303.80/x
  3. Step 3: Cross multiply
    5,081.40x = 7,610.76 × 4,303.80
  4. Step 4: Simplify right side
    5,081.40x = 32,755,188.89
  5. Step 5: Solve for x
    x = 32,755,188.89/5,081.40
  6. Step 6: Final answer
    x = 6,446.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.