Home / 7,903.49-11,862.41-4,208.85

Finding the Fourth Proportional to 7,903.49, 11,862.41 and 4,208.85

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Solution

The fourth proportional to 7,903.49, 11,862.41 and 4,208.85 is: 6,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.49 : 11,862.41 = 4,208.85 : x
  2. Step 2: Convert to fraction form
    7,903.49/11,862.41 = 4,208.85/x
  3. Step 3: Cross multiply
    7,903.49x = 11,862.41 × 4,208.85
  4. Step 4: Simplify right side
    7,903.49x = 49,927,083.28
  5. Step 5: Solve for x
    x = 49,927,083.28/7,903.49
  6. Step 6: Final answer
    x = 6,317.10

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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.