Home / 6,713.10-9,265.40-4,288.91

Finding the Fourth Proportional to 6,713.10, 9,265.40 and 4,288.91

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Solution

The fourth proportional to 6,713.10, 9,265.40 and 4,288.91 is: 5,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.10 : 9,265.40 = 4,288.91 : x
  2. Step 2: Convert to fraction form
    6,713.10/9,265.40 = 4,288.91/x
  3. Step 3: Cross multiply
    6,713.10x = 9,265.40 × 4,288.91
  4. Step 4: Simplify right side
    6,713.10x = 39,738,398.94
  5. Step 5: Solve for x
    x = 39,738,398.94/6,713.10
  6. Step 6: Final answer
    x = 5,919.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.