Home / 4,447.81-6,138.05-2,458.45

Finding the Fourth Proportional to 4,447.81, 6,138.05 and 2,458.45

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Solution

The fourth proportional to 4,447.81, 6,138.05 and 2,458.45 is: 3,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.81 : 6,138.05 = 2,458.45 : x
  2. Step 2: Convert to fraction form
    4,447.81/6,138.05 = 2,458.45/x
  3. Step 3: Cross multiply
    4,447.81x = 6,138.05 × 2,458.45
  4. Step 4: Simplify right side
    4,447.81x = 15,090,084.40
  5. Step 5: Solve for x
    x = 15,090,084.40/4,447.81
  6. Step 6: Final answer
    x = 3,392.70

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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.