Home / 4,428.81-6,111.93-2,439.55

Finding the Fourth Proportional to 4,428.81, 6,111.93 and 2,439.55

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Solution

The fourth proportional to 4,428.81, 6,111.93 and 2,439.55 is: 3,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.81 : 6,111.93 = 2,439.55 : x
  2. Step 2: Convert to fraction form
    4,428.81/6,111.93 = 2,439.55/x
  3. Step 3: Cross multiply
    4,428.81x = 6,111.93 × 2,439.55
  4. Step 4: Simplify right side
    4,428.81x = 14,910,358.83
  5. Step 5: Solve for x
    x = 14,910,358.83/4,428.81
  6. Step 6: Final answer
    x = 3,366.68

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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.