Home / 7,556.51-11,306.25-6,789.15

Finding the Fourth Proportional to 7,556.51, 11,306.25 and 6,789.15

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Solution

The fourth proportional to 7,556.51, 11,306.25 and 6,789.15 is: 10,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.51 : 11,306.25 = 6,789.15 : x
  2. Step 2: Convert to fraction form
    7,556.51/11,306.25 = 6,789.15/x
  3. Step 3: Cross multiply
    7,556.51x = 11,306.25 × 6,789.15
  4. Step 4: Simplify right side
    7,556.51x = 76,759,827.19
  5. Step 5: Solve for x
    x = 76,759,827.19/7,556.51
  6. Step 6: Final answer
    x = 10,158.11

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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.