Home / 4,778.81-7,164.94-2,434.27

Finding the Fourth Proportional to 4,778.81, 7,164.94 and 2,434.27

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Solution

The fourth proportional to 4,778.81, 7,164.94 and 2,434.27 is: 3,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.81 : 7,164.94 = 2,434.27 : x
  2. Step 2: Convert to fraction form
    4,778.81/7,164.94 = 2,434.27/x
  3. Step 3: Cross multiply
    4,778.81x = 7,164.94 × 2,434.27
  4. Step 4: Simplify right side
    4,778.81x = 17,441,386.32
  5. Step 5: Solve for x
    x = 17,441,386.32/4,778.81
  6. Step 6: Final answer
    x = 3,649.74

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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.