Home / 8,722-12,036.14-4,743.02

Finding the Fourth Proportional to 8,722, 12,036.14 and 4,743.02

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Solution

The fourth proportional to 8,722, 12,036.14 and 4,743.02 is: 6,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722 : 12,036.14 = 4,743.02 : x
  2. Step 2: Convert to fraction form
    8,722/12,036.14 = 4,743.02/x
  3. Step 3: Cross multiply
    8,722x = 12,036.14 × 4,743.02
  4. Step 4: Simplify right side
    8,722x = 57,087,652.74
  5. Step 5: Solve for x
    x = 57,087,652.74/8,722
  6. Step 6: Final answer
    x = 6,545.25

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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.