Home / 4,771.71-7,158.03-1,261.74

Finding the Fourth Proportional to 4,771.71, 7,158.03 and 1,261.74

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Solution

The fourth proportional to 4,771.71, 7,158.03 and 1,261.74 is: 1,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.71 : 7,158.03 = 1,261.74 : x
  2. Step 2: Convert to fraction form
    4,771.71/7,158.03 = 1,261.74/x
  3. Step 3: Cross multiply
    4,771.71x = 7,158.03 × 1,261.74
  4. Step 4: Simplify right side
    4,771.71x = 9,031,572.77
  5. Step 5: Solve for x
    x = 9,031,572.77/4,771.71
  6. Step 6: Final answer
    x = 1,892.73

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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.