Home / 4,817.95-7,221.27-4,271.20

Finding the Fourth Proportional to 4,817.95, 7,221.27 and 4,271.20

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Solution

The fourth proportional to 4,817.95, 7,221.27 and 4,271.20 is: 6,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.95 : 7,221.27 = 4,271.20 : x
  2. Step 2: Convert to fraction form
    4,817.95/7,221.27 = 4,271.20/x
  3. Step 3: Cross multiply
    4,817.95x = 7,221.27 × 4,271.20
  4. Step 4: Simplify right side
    4,817.95x = 30,843,488.42
  5. Step 5: Solve for x
    x = 30,843,488.42/4,817.95
  6. Step 6: Final answer
    x = 6,401.79

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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.