Home / 8,147.23-11,242.50-4,790.19

Finding the Fourth Proportional to 8,147.23, 11,242.50 and 4,790.19

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Solution

The fourth proportional to 8,147.23, 11,242.50 and 4,790.19 is: 6,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.23 : 11,242.50 = 4,790.19 : x
  2. Step 2: Convert to fraction form
    8,147.23/11,242.50 = 4,790.19/x
  3. Step 3: Cross multiply
    8,147.23x = 11,242.50 × 4,790.19
  4. Step 4: Simplify right side
    8,147.23x = 53,853,711.08
  5. Step 5: Solve for x
    x = 53,853,711.08/8,147.23
  6. Step 6: Final answer
    x = 6,610.06

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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.