Home / 4,069.28-5,612.28-3,544.40

Finding the Fourth Proportional to 4,069.28, 5,612.28 and 3,544.40

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Solution

The fourth proportional to 4,069.28, 5,612.28 and 3,544.40 is: 4,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.28 : 5,612.28 = 3,544.40 : x
  2. Step 2: Convert to fraction form
    4,069.28/5,612.28 = 3,544.40/x
  3. Step 3: Cross multiply
    4,069.28x = 5,612.28 × 3,544.40
  4. Step 4: Simplify right side
    4,069.28x = 19,892,165.23
  5. Step 5: Solve for x
    x = 19,892,165.23/4,069.28
  6. Step 6: Final answer
    x = 4,888.37

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Half scale
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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.