Home / 6,148.08-9,229.89-5,120.65

Finding the Fourth Proportional to 6,148.08, 9,229.89 and 5,120.65

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Solution

The fourth proportional to 6,148.08, 9,229.89 and 5,120.65 is: 7,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.08 : 9,229.89 = 5,120.65 : x
  2. Step 2: Convert to fraction form
    6,148.08/9,229.89 = 5,120.65/x
  3. Step 3: Cross multiply
    6,148.08x = 9,229.89 × 5,120.65
  4. Step 4: Simplify right side
    6,148.08x = 47,263,036.23
  5. Step 5: Solve for x
    x = 47,263,036.23/6,148.08
  6. Step 6: Final answer
    x = 7,687.45

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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.