Home / 5,440.13-8,159.91-3,189.91

Finding the Fourth Proportional to 5,440.13, 8,159.91 and 3,189.91

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Solution

The fourth proportional to 5,440.13, 8,159.91 and 3,189.91 is: 4,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.13 : 8,159.91 = 3,189.91 : x
  2. Step 2: Convert to fraction form
    5,440.13/8,159.91 = 3,189.91/x
  3. Step 3: Cross multiply
    5,440.13x = 8,159.91 × 3,189.91
  4. Step 4: Simplify right side
    5,440.13x = 26,029,378.51
  5. Step 5: Solve for x
    x = 26,029,378.51/5,440.13
  6. Step 6: Final answer
    x = 4,784.70

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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.