Home / 6,936.10-9,569.12-4,278.90

Finding the Fourth Proportional to 6,936.10, 9,569.12 and 4,278.90

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Solution

The fourth proportional to 6,936.10, 9,569.12 and 4,278.90 is: 5,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.10 : 9,569.12 = 4,278.90 : x
  2. Step 2: Convert to fraction form
    6,936.10/9,569.12 = 4,278.90/x
  3. Step 3: Cross multiply
    6,936.10x = 9,569.12 × 4,278.90
  4. Step 4: Simplify right side
    6,936.10x = 40,945,307.57
  5. Step 5: Solve for x
    x = 40,945,307.57/6,936.10
  6. Step 6: Final answer
    x = 5,903.22

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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.