Home / 8,749.13-12,078.10-6,062.38

Finding the Fourth Proportional to 8,749.13, 12,078.10 and 6,062.38

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Solution

The fourth proportional to 8,749.13, 12,078.10 and 6,062.38 is: 8,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.13 : 12,078.10 = 6,062.38 : x
  2. Step 2: Convert to fraction form
    8,749.13/12,078.10 = 6,062.38/x
  3. Step 3: Cross multiply
    8,749.13x = 12,078.10 × 6,062.38
  4. Step 4: Simplify right side
    8,749.13x = 73,222,009.26
  5. Step 5: Solve for x
    x = 73,222,009.26/8,749.13
  6. Step 6: Final answer
    x = 8,369.07

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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.