Home / 4,772.06-6,585.61-2,782.30

Finding the Fourth Proportional to 4,772.06, 6,585.61 and 2,782.30

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Solution

The fourth proportional to 4,772.06, 6,585.61 and 2,782.30 is: 3,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.06 : 6,585.61 = 2,782.30 : x
  2. Step 2: Convert to fraction form
    4,772.06/6,585.61 = 2,782.30/x
  3. Step 3: Cross multiply
    4,772.06x = 6,585.61 × 2,782.30
  4. Step 4: Simplify right side
    4,772.06x = 18,323,142.70
  5. Step 5: Solve for x
    x = 18,323,142.70/4,772.06
  6. Step 6: Final answer
    x = 3,839.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.