Home / 7,266.20-10,028.48-4,283

Finding the Fourth Proportional to 7,266.20, 10,028.48 and 4,283

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Solution

The fourth proportional to 7,266.20, 10,028.48 and 4,283 is: 5,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.20 : 10,028.48 = 4,283 : x
  2. Step 2: Convert to fraction form
    7,266.20/10,028.48 = 4,283/x
  3. Step 3: Cross multiply
    7,266.20x = 10,028.48 × 4,283
  4. Step 4: Simplify right side
    7,266.20x = 42,951,979.84
  5. Step 5: Solve for x
    x = 42,951,979.84/7,266.20
  6. Step 6: Final answer
    x = 5,911.20

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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.