Home / 5,094.70-7,642.05-1,808.13

Finding the Fourth Proportional to 5,094.70, 7,642.05 and 1,808.13

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Solution

The fourth proportional to 5,094.70, 7,642.05 and 1,808.13 is: 2,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.70 : 7,642.05 = 1,808.13 : x
  2. Step 2: Convert to fraction form
    5,094.70/7,642.05 = 1,808.13/x
  3. Step 3: Cross multiply
    5,094.70x = 7,642.05 × 1,808.13
  4. Step 4: Simplify right side
    5,094.70x = 13,817,819.87
  5. Step 5: Solve for x
    x = 13,817,819.87/5,094.70
  6. Step 6: Final answer
    x = 2,712.20

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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.