Home / 4,740.52-7,110.82-1,818.13

Finding the Fourth Proportional to 4,740.52, 7,110.82 and 1,818.13

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Solution

The fourth proportional to 4,740.52, 7,110.82 and 1,818.13 is: 2,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.52 : 7,110.82 = 1,818.13 : x
  2. Step 2: Convert to fraction form
    4,740.52/7,110.82 = 1,818.13/x
  3. Step 3: Cross multiply
    4,740.52x = 7,110.82 × 1,818.13
  4. Step 4: Simplify right side
    4,740.52x = 12,928,395.17
  5. Step 5: Solve for x
    x = 12,928,395.17/4,740.52
  6. Step 6: Final answer
    x = 2,727.21

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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.