Home / 4,442.80-6,661.89-1,480.16

Finding the Fourth Proportional to 4,442.80, 6,661.89 and 1,480.16

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Solution

The fourth proportional to 4,442.80, 6,661.89 and 1,480.16 is: 2,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.80 : 6,661.89 = 1,480.16 : x
  2. Step 2: Convert to fraction form
    4,442.80/6,661.89 = 1,480.16/x
  3. Step 3: Cross multiply
    4,442.80x = 6,661.89 × 1,480.16
  4. Step 4: Simplify right side
    4,442.80x = 9,860,663.10
  5. Step 5: Solve for x
    x = 9,860,663.10/4,442.80
  6. Step 6: Final answer
    x = 2,219.47

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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.