Home / 5,218-7,821.52-2,298.35

Finding the Fourth Proportional to 5,218, 7,821.52 and 2,298.35

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Solution

The fourth proportional to 5,218, 7,821.52 and 2,298.35 is: 3,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218 : 7,821.52 = 2,298.35 : x
  2. Step 2: Convert to fraction form
    5,218/7,821.52 = 2,298.35/x
  3. Step 3: Cross multiply
    5,218x = 7,821.52 × 2,298.35
  4. Step 4: Simplify right side
    5,218x = 17,976,590.49
  5. Step 5: Solve for x
    x = 17,976,590.49/5,218
  6. Step 6: Final answer
    x = 3,445.11

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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.