Home / 6,899.42-10,349.13-4,126.91

Finding the Fourth Proportional to 6,899.42, 10,349.13 and 4,126.91

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Solution

The fourth proportional to 6,899.42, 10,349.13 and 4,126.91 is: 6,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.42 : 10,349.13 = 4,126.91 : x
  2. Step 2: Convert to fraction form
    6,899.42/10,349.13 = 4,126.91/x
  3. Step 3: Cross multiply
    6,899.42x = 10,349.13 × 4,126.91
  4. Step 4: Simplify right side
    6,899.42x = 42,709,876.34
  5. Step 5: Solve for x
    x = 42,709,876.34/6,899.42
  6. Step 6: Final answer
    x = 6,190.36

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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.