Home / 4,043.72-5,574.62-3,988.24

Finding the Fourth Proportional to 4,043.72, 5,574.62 and 3,988.24

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Solution

The fourth proportional to 4,043.72, 5,574.62 and 3,988.24 is: 5,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.72 : 5,574.62 = 3,988.24 : x
  2. Step 2: Convert to fraction form
    4,043.72/5,574.62 = 3,988.24/x
  3. Step 3: Cross multiply
    4,043.72x = 5,574.62 × 3,988.24
  4. Step 4: Simplify right side
    4,043.72x = 22,232,918.50
  5. Step 5: Solve for x
    x = 22,232,918.50/4,043.72
  6. Step 6: Final answer
    x = 5,498.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.