Home / 4,712.83-7,064.75-2,211.55

Finding the Fourth Proportional to 4,712.83, 7,064.75 and 2,211.55

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Solution

The fourth proportional to 4,712.83, 7,064.75 and 2,211.55 is: 3,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.83 : 7,064.75 = 2,211.55 : x
  2. Step 2: Convert to fraction form
    4,712.83/7,064.75 = 2,211.55/x
  3. Step 3: Cross multiply
    4,712.83x = 7,064.75 × 2,211.55
  4. Step 4: Simplify right side
    4,712.83x = 15,624,036.80
  5. Step 5: Solve for x
    x = 15,624,036.80/4,712.83
  6. Step 6: Final answer
    x = 3,315.21

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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.