Home / 7,525.31-11,289.47-5,186.43

Finding the Fourth Proportional to 7,525.31, 11,289.47 and 5,186.43

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Solution

The fourth proportional to 7,525.31, 11,289.47 and 5,186.43 is: 7,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.31 : 11,289.47 = 5,186.43 : x
  2. Step 2: Convert to fraction form
    7,525.31/11,289.47 = 5,186.43/x
  3. Step 3: Cross multiply
    7,525.31x = 11,289.47 × 5,186.43
  4. Step 4: Simplify right side
    7,525.31x = 58,552,045.89
  5. Step 5: Solve for x
    x = 58,552,045.89/7,525.31
  6. Step 6: Final answer
    x = 7,780.68

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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.