Home / 7,016.13-9,681.86-4,186.71

Finding the Fourth Proportional to 7,016.13, 9,681.86 and 4,186.71

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Solution

The fourth proportional to 7,016.13, 9,681.86 and 4,186.71 is: 5,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.13 : 9,681.86 = 4,186.71 : x
  2. Step 2: Convert to fraction form
    7,016.13/9,681.86 = 4,186.71/x
  3. Step 3: Cross multiply
    7,016.13x = 9,681.86 × 4,186.71
  4. Step 4: Simplify right side
    7,016.13x = 40,535,119.15
  5. Step 5: Solve for x
    x = 40,535,119.15/7,016.13
  6. Step 6: Final answer
    x = 5,777.42

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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.