Home / 5,050.76-6,969.22-2,812.58

Finding the Fourth Proportional to 5,050.76, 6,969.22 and 2,812.58

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Solution

The fourth proportional to 5,050.76, 6,969.22 and 2,812.58 is: 3,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.76 : 6,969.22 = 2,812.58 : x
  2. Step 2: Convert to fraction form
    5,050.76/6,969.22 = 2,812.58/x
  3. Step 3: Cross multiply
    5,050.76x = 6,969.22 × 2,812.58
  4. Step 4: Simplify right side
    5,050.76x = 19,601,488.79
  5. Step 5: Solve for x
    x = 19,601,488.79/5,050.76
  6. Step 6: Final answer
    x = 3,880.90

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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.