Home / 4,443.49-6,657.93-1,520.20

Finding the Fourth Proportional to 4,443.49, 6,657.93 and 1,520.20

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Solution

The fourth proportional to 4,443.49, 6,657.93 and 1,520.20 is: 2,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.49 : 6,657.93 = 1,520.20 : x
  2. Step 2: Convert to fraction form
    4,443.49/6,657.93 = 1,520.20/x
  3. Step 3: Cross multiply
    4,443.49x = 6,657.93 × 1,520.20
  4. Step 4: Simplify right side
    4,443.49x = 10,121,351.90
  5. Step 5: Solve for x
    x = 10,121,351.90/4,443.49
  6. Step 6: Final answer
    x = 2,277.80

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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.