Home / 5,022.18-6,929.87-2,868.57

Finding the Fourth Proportional to 5,022.18, 6,929.87 and 2,868.57

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Solution

The fourth proportional to 5,022.18, 6,929.87 and 2,868.57 is: 3,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.18 : 6,929.87 = 2,868.57 : x
  2. Step 2: Convert to fraction form
    5,022.18/6,929.87 = 2,868.57/x
  3. Step 3: Cross multiply
    5,022.18x = 6,929.87 × 2,868.57
  4. Step 4: Simplify right side
    5,022.18x = 19,878,802.84
  5. Step 5: Solve for x
    x = 19,878,802.84/5,022.18
  6. Step 6: Final answer
    x = 3,958.20

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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.