Home / 4,009.28-5,534.64-2,860.20

Finding the Fourth Proportional to 4,009.28, 5,534.64 and 2,860.20

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Solution

The fourth proportional to 4,009.28, 5,534.64 and 2,860.20 is: 3,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.28 : 5,534.64 = 2,860.20 : x
  2. Step 2: Convert to fraction form
    4,009.28/5,534.64 = 2,860.20/x
  3. Step 3: Cross multiply
    4,009.28x = 5,534.64 × 2,860.20
  4. Step 4: Simplify right side
    4,009.28x = 15,830,177.33
  5. Step 5: Solve for x
    x = 15,830,177.33/4,009.28
  6. Step 6: Final answer
    x = 3,948.39

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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.