Home / 4,548.86-6,277.66-2,780.18

Finding the Fourth Proportional to 4,548.86, 6,277.66 and 2,780.18

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Solution

The fourth proportional to 4,548.86, 6,277.66 and 2,780.18 is: 3,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.86 : 6,277.66 = 2,780.18 : x
  2. Step 2: Convert to fraction form
    4,548.86/6,277.66 = 2,780.18/x
  3. Step 3: Cross multiply
    4,548.86x = 6,277.66 × 2,780.18
  4. Step 4: Simplify right side
    4,548.86x = 17,453,024.78
  5. Step 5: Solve for x
    x = 17,453,024.78/4,548.86
  6. Step 6: Final answer
    x = 3,836.79

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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.