Home / 5,117.50-7,671.68-1,830.10

Finding the Fourth Proportional to 5,117.50, 7,671.68 and 1,830.10

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Solution

The fourth proportional to 5,117.50, 7,671.68 and 1,830.10 is: 2,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.50 : 7,671.68 = 1,830.10 : x
  2. Step 2: Convert to fraction form
    5,117.50/7,671.68 = 1,830.10/x
  3. Step 3: Cross multiply
    5,117.50x = 7,671.68 × 1,830.10
  4. Step 4: Simplify right side
    5,117.50x = 14,039,941.57
  5. Step 5: Solve for x
    x = 14,039,941.57/5,117.50
  6. Step 6: Final answer
    x = 2,743.52

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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.