Home / 4,738.76-6,539.22-2,642.78

Finding the Fourth Proportional to 4,738.76, 6,539.22 and 2,642.78

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Solution

The fourth proportional to 4,738.76, 6,539.22 and 2,642.78 is: 3,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.76 : 6,539.22 = 2,642.78 : x
  2. Step 2: Convert to fraction form
    4,738.76/6,539.22 = 2,642.78/x
  3. Step 3: Cross multiply
    4,738.76x = 6,539.22 × 2,642.78
  4. Step 4: Simplify right side
    4,738.76x = 17,281,719.83
  5. Step 5: Solve for x
    x = 17,281,719.83/4,738.76
  6. Step 6: Final answer
    x = 3,646.89

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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.