Home / 5,636.32-7,778.14-3,084.08

Finding the Fourth Proportional to 5,636.32, 7,778.14 and 3,084.08

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Solution

The fourth proportional to 5,636.32, 7,778.14 and 3,084.08 is: 4,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.32 : 7,778.14 = 3,084.08 : x
  2. Step 2: Convert to fraction form
    5,636.32/7,778.14 = 3,084.08/x
  3. Step 3: Cross multiply
    5,636.32x = 7,778.14 × 3,084.08
  4. Step 4: Simplify right side
    5,636.32x = 23,988,406.01
  5. Step 5: Solve for x
    x = 23,988,406.01/5,636.32
  6. Step 6: Final answer
    x = 4,256.04

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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.