Home / 5,207.95-7,813.32-2,742.13

Finding the Fourth Proportional to 5,207.95, 7,813.32 and 2,742.13

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Solution

The fourth proportional to 5,207.95, 7,813.32 and 2,742.13 is: 4,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.95 : 7,813.32 = 2,742.13 : x
  2. Step 2: Convert to fraction form
    5,207.95/7,813.32 = 2,742.13/x
  3. Step 3: Cross multiply
    5,207.95x = 7,813.32 × 2,742.13
  4. Step 4: Simplify right side
    5,207.95x = 21,425,139.17
  5. Step 5: Solve for x
    x = 21,425,139.17/5,207.95
  6. Step 6: Final answer
    x = 4,113.93

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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.