Home / 6,937.11-10,405.67-1,742.98

Finding the Fourth Proportional to 6,937.11, 10,405.67 and 1,742.98

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Solution

The fourth proportional to 6,937.11, 10,405.67 and 1,742.98 is: 2,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.11 : 10,405.67 = 1,742.98 : x
  2. Step 2: Convert to fraction form
    6,937.11/10,405.67 = 1,742.98/x
  3. Step 3: Cross multiply
    6,937.11x = 10,405.67 × 1,742.98
  4. Step 4: Simplify right side
    6,937.11x = 18,136,874.70
  5. Step 5: Solve for x
    x = 18,136,874.70/6,937.11
  6. Step 6: Final answer
    x = 2,614.47

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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.