Home / 6,870.57-10,311.32-2,711.62

Finding the Fourth Proportional to 6,870.57, 10,311.32 and 2,711.62

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Solution

The fourth proportional to 6,870.57, 10,311.32 and 2,711.62 is: 4,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.57 : 10,311.32 = 2,711.62 : x
  2. Step 2: Convert to fraction form
    6,870.57/10,311.32 = 2,711.62/x
  3. Step 3: Cross multiply
    6,870.57x = 10,311.32 × 2,711.62
  4. Step 4: Simplify right side
    6,870.57x = 27,960,381.54
  5. Step 5: Solve for x
    x = 27,960,381.54/6,870.57
  6. Step 6: Final answer
    x = 4,069.59

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1.5x scale

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.