Home / 7,554.90-11,320.80-5,080.56

Finding the Fourth Proportional to 7,554.90, 11,320.80 and 5,080.56

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Solution

The fourth proportional to 7,554.90, 11,320.80 and 5,080.56 is: 7,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.90 : 11,320.80 = 5,080.56 : x
  2. Step 2: Convert to fraction form
    7,554.90/11,320.80 = 5,080.56/x
  3. Step 3: Cross multiply
    7,554.90x = 11,320.80 × 5,080.56
  4. Step 4: Simplify right side
    7,554.90x = 57,516,003.65
  5. Step 5: Solve for x
    x = 57,516,003.65/7,554.90
  6. Step 6: Final answer
    x = 7,613.07

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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.