Home / 4,770.72-7,156.85-1,484.57

Finding the Fourth Proportional to 4,770.72, 7,156.85 and 1,484.57

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Solution

The fourth proportional to 4,770.72, 7,156.85 and 1,484.57 is: 2,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.72 : 7,156.85 = 1,484.57 : x
  2. Step 2: Convert to fraction form
    4,770.72/7,156.85 = 1,484.57/x
  3. Step 3: Cross multiply
    4,770.72x = 7,156.85 × 1,484.57
  4. Step 4: Simplify right side
    4,770.72x = 10,624,855.27
  5. Step 5: Solve for x
    x = 10,624,855.27/4,770.72
  6. Step 6: Final answer
    x = 2,227.10

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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.