Home / 4,955.61-7,423.78-2,757.68

Finding the Fourth Proportional to 4,955.61, 7,423.78 and 2,757.68

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Solution

The fourth proportional to 4,955.61, 7,423.78 and 2,757.68 is: 4,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.61 : 7,423.78 = 2,757.68 : x
  2. Step 2: Convert to fraction form
    4,955.61/7,423.78 = 2,757.68/x
  3. Step 3: Cross multiply
    4,955.61x = 7,423.78 × 2,757.68
  4. Step 4: Simplify right side
    4,955.61x = 20,472,409.63
  5. Step 5: Solve for x
    x = 20,472,409.63/4,955.61
  6. Step 6: Final answer
    x = 4,131.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.