Home / 4,427.36-6,109.78-2,438.12

Finding the Fourth Proportional to 4,427.36, 6,109.78 and 2,438.12

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Solution

The fourth proportional to 4,427.36, 6,109.78 and 2,438.12 is: 3,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.36 : 6,109.78 = 2,438.12 : x
  2. Step 2: Convert to fraction form
    4,427.36/6,109.78 = 2,438.12/x
  3. Step 3: Cross multiply
    4,427.36x = 6,109.78 × 2,438.12
  4. Step 4: Simplify right side
    4,427.36x = 14,896,376.81
  5. Step 5: Solve for x
    x = 14,896,376.81/4,427.36
  6. Step 6: Final answer
    x = 3,364.62

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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.