Home / 4,818.51-7,221.85-2,740.25

Finding the Fourth Proportional to 4,818.51, 7,221.85 and 2,740.25

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Solution

The fourth proportional to 4,818.51, 7,221.85 and 2,740.25 is: 4,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.51 : 7,221.85 = 2,740.25 : x
  2. Step 2: Convert to fraction form
    4,818.51/7,221.85 = 2,740.25/x
  3. Step 3: Cross multiply
    4,818.51x = 7,221.85 × 2,740.25
  4. Step 4: Simplify right side
    4,818.51x = 19,789,674.46
  5. Step 5: Solve for x
    x = 19,789,674.46/4,818.51
  6. Step 6: Final answer
    x = 4,107.01

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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.