Home / 8,145.68-11,240.28-4,609.16

Finding the Fourth Proportional to 8,145.68, 11,240.28 and 4,609.16

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Solution

The fourth proportional to 8,145.68, 11,240.28 and 4,609.16 is: 6,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.68 : 11,240.28 = 4,609.16 : x
  2. Step 2: Convert to fraction form
    8,145.68/11,240.28 = 4,609.16/x
  3. Step 3: Cross multiply
    8,145.68x = 11,240.28 × 4,609.16
  4. Step 4: Simplify right side
    8,145.68x = 51,808,248.96
  5. Step 5: Solve for x
    x = 51,808,248.96/8,145.68
  6. Step 6: Final answer
    x = 6,360.21

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Half scale
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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.