Home / 4,777.82-7,167.18-1,856.35

Finding the Fourth Proportional to 4,777.82, 7,167.18 and 1,856.35

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Solution

The fourth proportional to 4,777.82, 7,167.18 and 1,856.35 is: 2,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.82 : 7,167.18 = 1,856.35 : x
  2. Step 2: Convert to fraction form
    4,777.82/7,167.18 = 1,856.35/x
  3. Step 3: Cross multiply
    4,777.82x = 7,167.18 × 1,856.35
  4. Step 4: Simplify right side
    4,777.82x = 13,304,749.48
  5. Step 5: Solve for x
    x = 13,304,749.48/4,777.82
  6. Step 6: Final answer
    x = 2,784.69

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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.