Home / 4,740.64-7,111.01-1,818.25

Finding the Fourth Proportional to 4,740.64, 7,111.01 and 1,818.25

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Solution

The fourth proportional to 4,740.64, 7,111.01 and 1,818.25 is: 2,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.64 : 7,111.01 = 1,818.25 : x
  2. Step 2: Convert to fraction form
    4,740.64/7,111.01 = 1,818.25/x
  3. Step 3: Cross multiply
    4,740.64x = 7,111.01 × 1,818.25
  4. Step 4: Simplify right side
    4,740.64x = 12,929,593.93
  5. Step 5: Solve for x
    x = 12,929,593.93/4,740.64
  6. Step 6: Final answer
    x = 2,727.39

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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.