Home / 4,881.50-7,322.37-1,761.77

Finding the Fourth Proportional to 4,881.50, 7,322.37 and 1,761.77

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Solution

The fourth proportional to 4,881.50, 7,322.37 and 1,761.77 is: 2,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.50 : 7,322.37 = 1,761.77 : x
  2. Step 2: Convert to fraction form
    4,881.50/7,322.37 = 1,761.77/x
  3. Step 3: Cross multiply
    4,881.50x = 7,322.37 × 1,761.77
  4. Step 4: Simplify right side
    4,881.50x = 12,900,331.79
  5. Step 5: Solve for x
    x = 12,900,331.79/4,881.50
  6. Step 6: Final answer
    x = 2,642.70

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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.