Home / 6,347.19-9,521.81-2,186.18

Finding the Fourth Proportional to 6,347.19, 9,521.81 and 2,186.18

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Solution

The fourth proportional to 6,347.19, 9,521.81 and 2,186.18 is: 3,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.19 : 9,521.81 = 2,186.18 : x
  2. Step 2: Convert to fraction form
    6,347.19/9,521.81 = 2,186.18/x
  3. Step 3: Cross multiply
    6,347.19x = 9,521.81 × 2,186.18
  4. Step 4: Simplify right side
    6,347.19x = 20,816,390.59
  5. Step 5: Solve for x
    x = 20,816,390.59/6,347.19
  6. Step 6: Final answer
    x = 3,279.62

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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.