Home / 8,109.04-11,190.36-4,572.24

Finding the Fourth Proportional to 8,109.04, 11,190.36 and 4,572.24

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Solution

The fourth proportional to 8,109.04, 11,190.36 and 4,572.24 is: 6,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.04 : 11,190.36 = 4,572.24 : x
  2. Step 2: Convert to fraction form
    8,109.04/11,190.36 = 4,572.24/x
  3. Step 3: Cross multiply
    8,109.04x = 11,190.36 × 4,572.24
  4. Step 4: Simplify right side
    8,109.04x = 51,165,011.61
  5. Step 5: Solve for x
    x = 51,165,011.61/8,109.04
  6. Step 6: Final answer
    x = 6,309.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.