Home / 8,648.11-12,980.37-5,351.23

Finding the Fourth Proportional to 8,648.11, 12,980.37 and 5,351.23

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Solution

The fourth proportional to 8,648.11, 12,980.37 and 5,351.23 is: 8,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.11 : 12,980.37 = 5,351.23 : x
  2. Step 2: Convert to fraction form
    8,648.11/12,980.37 = 5,351.23/x
  3. Step 3: Cross multiply
    8,648.11x = 12,980.37 × 5,351.23
  4. Step 4: Simplify right side
    8,648.11x = 69,460,945.36
  5. Step 5: Solve for x
    x = 69,460,945.36/8,648.11
  6. Step 6: Final answer
    x = 8,031.92

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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.