Home / 7,521.59-11,278.26-5,971.55

Finding the Fourth Proportional to 7,521.59, 11,278.26 and 5,971.55

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Solution

The fourth proportional to 7,521.59, 11,278.26 and 5,971.55 is: 8,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.59 : 11,278.26 = 5,971.55 : x
  2. Step 2: Convert to fraction form
    7,521.59/11,278.26 = 5,971.55/x
  3. Step 3: Cross multiply
    7,521.59x = 11,278.26 × 5,971.55
  4. Step 4: Simplify right side
    7,521.59x = 67,348,637.11
  5. Step 5: Solve for x
    x = 67,348,637.11/7,521.59
  6. Step 6: Final answer
    x = 8,954.04

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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.