Home / 5,376.60-8,063.46-1,480.20

Finding the Fourth Proportional to 5,376.60, 8,063.46 and 1,480.20

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Solution

The fourth proportional to 5,376.60, 8,063.46 and 1,480.20 is: 2,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.60 : 8,063.46 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    5,376.60/8,063.46 = 1,480.20/x
  3. Step 3: Cross multiply
    5,376.60x = 8,063.46 × 1,480.20
  4. Step 4: Simplify right side
    5,376.60x = 11,935,533.49
  5. Step 5: Solve for x
    x = 11,935,533.49/5,376.60
  6. Step 6: Final answer
    x = 2,219.90

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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.