Home / 5,574.18-8,356.40-2,109.18

Finding the Fourth Proportional to 5,574.18, 8,356.40 and 2,109.18

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Solution

The fourth proportional to 5,574.18, 8,356.40 and 2,109.18 is: 3,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.18 : 8,356.40 = 2,109.18 : x
  2. Step 2: Convert to fraction form
    5,574.18/8,356.40 = 2,109.18/x
  3. Step 3: Cross multiply
    5,574.18x = 8,356.40 × 2,109.18
  4. Step 4: Simplify right side
    5,574.18x = 17,625,151.75
  5. Step 5: Solve for x
    x = 17,625,151.75/5,574.18
  6. Step 6: Final answer
    x = 3,161.93

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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.