Home / 5,210.38-7,188.85-3,084.98

Finding the Fourth Proportional to 5,210.38, 7,188.85 and 3,084.98

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Solution

The fourth proportional to 5,210.38, 7,188.85 and 3,084.98 is: 4,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.38 : 7,188.85 = 3,084.98 : x
  2. Step 2: Convert to fraction form
    5,210.38/7,188.85 = 3,084.98/x
  3. Step 3: Cross multiply
    5,210.38x = 7,188.85 × 3,084.98
  4. Step 4: Simplify right side
    5,210.38x = 22,177,458.47
  5. Step 5: Solve for x
    x = 22,177,458.47/5,210.38
  6. Step 6: Final answer
    x = 4,256.40

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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.