Home / 6,920.10-9,549.63-3,776.22

Finding the Fourth Proportional to 6,920.10, 9,549.63 and 3,776.22

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Solution

The fourth proportional to 6,920.10, 9,549.63 and 3,776.22 is: 5,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.10 : 9,549.63 = 3,776.22 : x
  2. Step 2: Convert to fraction form
    6,920.10/9,549.63 = 3,776.22/x
  3. Step 3: Cross multiply
    6,920.10x = 9,549.63 × 3,776.22
  4. Step 4: Simplify right side
    6,920.10x = 36,061,503.80
  5. Step 5: Solve for x
    x = 36,061,503.80/6,920.10
  6. Step 6: Final answer
    x = 5,211.12

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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.