Home / 5,326.90-7,351.14-3,088.78

Finding the Fourth Proportional to 5,326.90, 7,351.14 and 3,088.78

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Solution

The fourth proportional to 5,326.90, 7,351.14 and 3,088.78 is: 4,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.90 : 7,351.14 = 3,088.78 : x
  2. Step 2: Convert to fraction form
    5,326.90/7,351.14 = 3,088.78/x
  3. Step 3: Cross multiply
    5,326.90x = 7,351.14 × 3,088.78
  4. Step 4: Simplify right side
    5,326.90x = 22,706,054.21
  5. Step 5: Solve for x
    x = 22,706,054.21/5,326.90
  6. Step 6: Final answer
    x = 4,262.53

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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.