Home / 7,178.60-10,771.02-2,794.53

Finding the Fourth Proportional to 7,178.60, 10,771.02 and 2,794.53

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Solution

The fourth proportional to 7,178.60, 10,771.02 and 2,794.53 is: 4,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.60 : 10,771.02 = 2,794.53 : x
  2. Step 2: Convert to fraction form
    7,178.60/10,771.02 = 2,794.53/x
  3. Step 3: Cross multiply
    7,178.60x = 10,771.02 × 2,794.53
  4. Step 4: Simplify right side
    7,178.60x = 30,099,938.52
  5. Step 5: Solve for x
    x = 30,099,938.52/7,178.60
  6. Step 6: Final answer
    x = 4,193.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.