Home / 7,219.60-10,828.44-3,061.24

Finding the Fourth Proportional to 7,219.60, 10,828.44 and 3,061.24

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Solution

The fourth proportional to 7,219.60, 10,828.44 and 3,061.24 is: 4,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.60 : 10,828.44 = 3,061.24 : x
  2. Step 2: Convert to fraction form
    7,219.60/10,828.44 = 3,061.24/x
  3. Step 3: Cross multiply
    7,219.60x = 10,828.44 × 3,061.24
  4. Step 4: Simplify right side
    7,219.60x = 33,148,453.67
  5. Step 5: Solve for x
    x = 33,148,453.67/7,219.60
  6. Step 6: Final answer
    x = 4,591.45

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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.