Home / 8,119.32-11,205.18-4,581.24

Finding the Fourth Proportional to 8,119.32, 11,205.18 and 4,581.24

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Solution

The fourth proportional to 8,119.32, 11,205.18 and 4,581.24 is: 6,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.32 : 11,205.18 = 4,581.24 : x
  2. Step 2: Convert to fraction form
    8,119.32/11,205.18 = 4,581.24/x
  3. Step 3: Cross multiply
    8,119.32x = 11,205.18 × 4,581.24
  4. Step 4: Simplify right side
    8,119.32x = 51,333,618.82
  5. Step 5: Solve for x
    x = 51,333,618.82/8,119.32
  6. Step 6: Final answer
    x = 6,322.40

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Double 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.