Home / 4,690.45-7,035.68-1,227.70

Finding the Fourth Proportional to 4,690.45, 7,035.68 and 1,227.70

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Solution

The fourth proportional to 4,690.45, 7,035.68 and 1,227.70 is: 1,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.45 : 7,035.68 = 1,227.70 : x
  2. Step 2: Convert to fraction form
    4,690.45/7,035.68 = 1,227.70/x
  3. Step 3: Cross multiply
    4,690.45x = 7,035.68 × 1,227.70
  4. Step 4: Simplify right side
    4,690.45x = 8,637,698.20
  5. Step 5: Solve for x
    x = 8,637,698.20/4,690.45
  6. Step 6: Final answer
    x = 1,841.55

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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.