Home / 4,729.78-6,527.11-2,740.72

Finding the Fourth Proportional to 4,729.78, 6,527.11 and 2,740.72

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Solution

The fourth proportional to 4,729.78, 6,527.11 and 2,740.72 is: 3,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.78 : 6,527.11 = 2,740.72 : x
  2. Step 2: Convert to fraction form
    4,729.78/6,527.11 = 2,740.72/x
  3. Step 3: Cross multiply
    4,729.78x = 6,527.11 × 2,740.72
  4. Step 4: Simplify right side
    4,729.78x = 17,888,967.22
  5. Step 5: Solve for x
    x = 17,888,967.22/4,729.78
  6. Step 6: Final answer
    x = 3,782.20

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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.