Home / 5,113.36-7,671.65-1,826.38

Finding the Fourth Proportional to 5,113.36, 7,671.65 and 1,826.38

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Solution

The fourth proportional to 5,113.36, 7,671.65 and 1,826.38 is: 2,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.36 : 7,671.65 = 1,826.38 : x
  2. Step 2: Convert to fraction form
    5,113.36/7,671.65 = 1,826.38/x
  3. Step 3: Cross multiply
    5,113.36x = 7,671.65 × 1,826.38
  4. Step 4: Simplify right side
    5,113.36x = 14,011,348.13
  5. Step 5: Solve for x
    x = 14,011,348.13/5,113.36
  6. Step 6: Final answer
    x = 2,740.15

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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.