Home / 5,241.16-7,862.20-1,345.56

Finding the Fourth Proportional to 5,241.16, 7,862.20 and 1,345.56

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Solution

The fourth proportional to 5,241.16, 7,862.20 and 1,345.56 is: 2,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.16 : 7,862.20 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    5,241.16/7,862.20 = 1,345.56/x
  3. Step 3: Cross multiply
    5,241.16x = 7,862.20 × 1,345.56
  4. Step 4: Simplify right side
    5,241.16x = 10,579,061.83
  5. Step 5: Solve for x
    x = 10,579,061.83/5,241.16
  6. Step 6: Final answer
    x = 2,018.46

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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.