Home / 8,122.39-11,208.90-4,585.51

Finding the Fourth Proportional to 8,122.39, 11,208.90 and 4,585.51

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Solution

The fourth proportional to 8,122.39, 11,208.90 and 4,585.51 is: 6,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.39 : 11,208.90 = 4,585.51 : x
  2. Step 2: Convert to fraction form
    8,122.39/11,208.90 = 4,585.51/x
  3. Step 3: Cross multiply
    8,122.39x = 11,208.90 × 4,585.51
  4. Step 4: Simplify right side
    8,122.39x = 51,398,523.04
  5. Step 5: Solve for x
    x = 51,398,523.04/8,122.39
  6. Step 6: Final answer
    x = 6,328.00

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Half scale
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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.