Home / 5,226.76-7,211.70-3,827.08

Finding the Fourth Proportional to 5,226.76, 7,211.70 and 3,827.08

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Solution

The fourth proportional to 5,226.76, 7,211.70 and 3,827.08 is: 5,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.76 : 7,211.70 = 3,827.08 : x
  2. Step 2: Convert to fraction form
    5,226.76/7,211.70 = 3,827.08/x
  3. Step 3: Cross multiply
    5,226.76x = 7,211.70 × 3,827.08
  4. Step 4: Simplify right side
    5,226.76x = 27,599,752.84
  5. Step 5: Solve for x
    x = 27,599,752.84/5,226.76
  6. Step 6: Final answer
    x = 5,280.47

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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.