Home / 4,045.60-5,585.70-3,099.73

Finding the Fourth Proportional to 4,045.60, 5,585.70 and 3,099.73

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Solution

The fourth proportional to 4,045.60, 5,585.70 and 3,099.73 is: 4,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.60 : 5,585.70 = 3,099.73 : x
  2. Step 2: Convert to fraction form
    4,045.60/5,585.70 = 3,099.73/x
  3. Step 3: Cross multiply
    4,045.60x = 5,585.70 × 3,099.73
  4. Step 4: Simplify right side
    4,045.60x = 17,314,118.43
  5. Step 5: Solve for x
    x = 17,314,118.43/4,045.60
  6. Step 6: Final answer
    x = 4,279.74

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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.