Home / 5,226.34-7,211.30-2,988.96

Finding the Fourth Proportional to 5,226.34, 7,211.30 and 2,988.96

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Solution

The fourth proportional to 5,226.34, 7,211.30 and 2,988.96 is: 4,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.34 : 7,211.30 = 2,988.96 : x
  2. Step 2: Convert to fraction form
    5,226.34/7,211.30 = 2,988.96/x
  3. Step 3: Cross multiply
    5,226.34x = 7,211.30 × 2,988.96
  4. Step 4: Simplify right side
    5,226.34x = 21,554,287.25
  5. Step 5: Solve for x
    x = 21,554,287.25/5,226.34
  6. Step 6: Final answer
    x = 4,124.16

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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.