Home / 6,956.80-10,436.76-2,574.40

Finding the Fourth Proportional to 6,956.80, 10,436.76 and 2,574.40

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Solution

The fourth proportional to 6,956.80, 10,436.76 and 2,574.40 is: 3,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.80 : 10,436.76 = 2,574.40 : x
  2. Step 2: Convert to fraction form
    6,956.80/10,436.76 = 2,574.40/x
  3. Step 3: Cross multiply
    6,956.80x = 10,436.76 × 2,574.40
  4. Step 4: Simplify right side
    6,956.80x = 26,868,394.94
  5. Step 5: Solve for x
    x = 26,868,394.94/6,956.80
  6. Step 6: Final answer
    x = 3,862.18

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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.