Home / 8,825.70-13,219.35-5,715.30

Finding the Fourth Proportional to 8,825.70, 13,219.35 and 5,715.30

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Solution

The fourth proportional to 8,825.70, 13,219.35 and 5,715.30 is: 8,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.70 : 13,219.35 = 5,715.30 : x
  2. Step 2: Convert to fraction form
    8,825.70/13,219.35 = 5,715.30/x
  3. Step 3: Cross multiply
    8,825.70x = 13,219.35 × 5,715.30
  4. Step 4: Simplify right side
    8,825.70x = 75,552,551.06
  5. Step 5: Solve for x
    x = 75,552,551.06/8,825.70
  6. Step 6: Final answer
    x = 8,560.52

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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.