Home / 4,424.17-6,637.76-2,778.79

Finding the Fourth Proportional to 4,424.17, 6,637.76 and 2,778.79

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Solution

The fourth proportional to 4,424.17, 6,637.76 and 2,778.79 is: 4,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.17 : 6,637.76 = 2,778.79 : x
  2. Step 2: Convert to fraction form
    4,424.17/6,637.76 = 2,778.79/x
  3. Step 3: Cross multiply
    4,424.17x = 6,637.76 × 2,778.79
  4. Step 4: Simplify right side
    4,424.17x = 18,444,948.06
  5. Step 5: Solve for x
    x = 18,444,948.06/4,424.17
  6. Step 6: Final answer
    x = 4,169.13

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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.