Home / 7,016.91-9,685.35-4,186.26

Finding the Fourth Proportional to 7,016.91, 9,685.35 and 4,186.26

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Solution

The fourth proportional to 7,016.91, 9,685.35 and 4,186.26 is: 5,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.91 : 9,685.35 = 4,186.26 : x
  2. Step 2: Convert to fraction form
    7,016.91/9,685.35 = 4,186.26/x
  3. Step 3: Cross multiply
    7,016.91x = 9,685.35 × 4,186.26
  4. Step 4: Simplify right side
    7,016.91x = 40,545,393.29
  5. Step 5: Solve for x
    x = 40,545,393.29/7,016.91
  6. Step 6: Final answer
    x = 5,778.24

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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.