Home / 5,444.48-8,165.16-2,980.40

Finding the Fourth Proportional to 5,444.48, 8,165.16 and 2,980.40

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Solution

The fourth proportional to 5,444.48, 8,165.16 and 2,980.40 is: 4,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.48 : 8,165.16 = 2,980.40 : x
  2. Step 2: Convert to fraction form
    5,444.48/8,165.16 = 2,980.40/x
  3. Step 3: Cross multiply
    5,444.48x = 8,165.16 × 2,980.40
  4. Step 4: Simplify right side
    5,444.48x = 24,335,442.86
  5. Step 5: Solve for x
    x = 24,335,442.86/5,444.48
  6. Step 6: Final answer
    x = 4,469.75

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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.