Home / 5,232.26-7,220.51-2,874.40

Finding the Fourth Proportional to 5,232.26, 7,220.51 and 2,874.40

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Solution

The fourth proportional to 5,232.26, 7,220.51 and 2,874.40 is: 3,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.26 : 7,220.51 = 2,874.40 : x
  2. Step 2: Convert to fraction form
    5,232.26/7,220.51 = 2,874.40/x
  3. Step 3: Cross multiply
    5,232.26x = 7,220.51 × 2,874.40
  4. Step 4: Simplify right side
    5,232.26x = 20,754,633.94
  5. Step 5: Solve for x
    x = 20,754,633.94/5,232.26
  6. Step 6: Final answer
    x = 3,966.67

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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.