Home / 4,722.81-7,111.67-3,498.90

Finding the Fourth Proportional to 4,722.81, 7,111.67 and 3,498.90

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Solution

The fourth proportional to 4,722.81, 7,111.67 and 3,498.90 is: 5,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.81 : 7,111.67 = 3,498.90 : x
  2. Step 2: Convert to fraction form
    4,722.81/7,111.67 = 3,498.90/x
  3. Step 3: Cross multiply
    4,722.81x = 7,111.67 × 3,498.90
  4. Step 4: Simplify right side
    4,722.81x = 24,883,004.67
  5. Step 5: Solve for x
    x = 24,883,004.67/4,722.81
  6. Step 6: Final answer
    x = 5,268.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.