Home / 7,738.42-10,681.46-4,943.92

Finding the Fourth Proportional to 7,738.42, 10,681.46 and 4,943.92

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Solution

The fourth proportional to 7,738.42, 10,681.46 and 4,943.92 is: 6,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.42 : 10,681.46 = 4,943.92 : x
  2. Step 2: Convert to fraction form
    7,738.42/10,681.46 = 4,943.92/x
  3. Step 3: Cross multiply
    7,738.42x = 10,681.46 × 4,943.92
  4. Step 4: Simplify right side
    7,738.42x = 52,808,283.72
  5. Step 5: Solve for x
    x = 52,808,283.72/7,738.42
  6. Step 6: Final answer
    x = 6,824.17

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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.