Home / 5,027.58-7,579.94-4,688.78

Finding the Fourth Proportional to 5,027.58, 7,579.94 and 4,688.78

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Solution

The fourth proportional to 5,027.58, 7,579.94 and 4,688.78 is: 7,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.58 : 7,579.94 = 4,688.78 : x
  2. Step 2: Convert to fraction form
    5,027.58/7,579.94 = 4,688.78/x
  3. Step 3: Cross multiply
    5,027.58x = 7,579.94 × 4,688.78
  4. Step 4: Simplify right side
    5,027.58x = 35,540,671.07
  5. Step 5: Solve for x
    x = 35,540,671.07/5,027.58
  6. Step 6: Final answer
    x = 7,069.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.