Home / 4,442.48-6,663.04-1,520.12

Finding the Fourth Proportional to 4,442.48, 6,663.04 and 1,520.12

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Solution

The fourth proportional to 4,442.48, 6,663.04 and 1,520.12 is: 2,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.48 : 6,663.04 = 1,520.12 : x
  2. Step 2: Convert to fraction form
    4,442.48/6,663.04 = 1,520.12/x
  3. Step 3: Cross multiply
    4,442.48x = 6,663.04 × 1,520.12
  4. Step 4: Simplify right side
    4,442.48x = 10,128,583.25
  5. Step 5: Solve for x
    x = 10,128,583.25/4,442.48
  6. Step 6: Final answer
    x = 2,279.94

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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.