Home / 8,550.77-11,802.11-5,406.35

Finding the Fourth Proportional to 8,550.77, 11,802.11 and 5,406.35

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Solution

The fourth proportional to 8,550.77, 11,802.11 and 5,406.35 is: 7,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.77 : 11,802.11 = 5,406.35 : x
  2. Step 2: Convert to fraction form
    8,550.77/11,802.11 = 5,406.35/x
  3. Step 3: Cross multiply
    8,550.77x = 11,802.11 × 5,406.35
  4. Step 4: Simplify right side
    8,550.77x = 63,806,251.36
  5. Step 5: Solve for x
    x = 63,806,251.36/8,550.77
  6. Step 6: Final answer
    x = 7,462.05

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Double scale
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Similar ratio
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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.