Home / 7,084.32-9,776.36-3,941.13

Finding the Fourth Proportional to 7,084.32, 9,776.36 and 3,941.13

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Solution

The fourth proportional to 7,084.32, 9,776.36 and 3,941.13 is: 5,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.32 : 9,776.36 = 3,941.13 : x
  2. Step 2: Convert to fraction form
    7,084.32/9,776.36 = 3,941.13/x
  3. Step 3: Cross multiply
    7,084.32x = 9,776.36 × 3,941.13
  4. Step 4: Simplify right side
    7,084.32x = 38,529,885.98
  5. Step 5: Solve for x
    x = 38,529,885.98/7,084.32
  6. Step 6: Final answer
    x = 5,438.76

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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.