Home / 6,894.12-10,326.60-5,721.35

Finding the Fourth Proportional to 6,894.12, 10,326.60 and 5,721.35

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Solution

The fourth proportional to 6,894.12, 10,326.60 and 5,721.35 is: 8,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.12 : 10,326.60 = 5,721.35 : x
  2. Step 2: Convert to fraction form
    6,894.12/10,326.60 = 5,721.35/x
  3. Step 3: Cross multiply
    6,894.12x = 10,326.60 × 5,721.35
  4. Step 4: Simplify right side
    6,894.12x = 59,082,041.28
  5. Step 5: Solve for x
    x = 59,082,041.28/6,894.12
  6. Step 6: Final answer
    x = 8,569.91

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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.