Home / 7,135.41-9,846.01-3,948.28

Finding the Fourth Proportional to 7,135.41, 9,846.01 and 3,948.28

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Solution

The fourth proportional to 7,135.41, 9,846.01 and 3,948.28 is: 5,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.41 : 9,846.01 = 3,948.28 : x
  2. Step 2: Convert to fraction form
    7,135.41/9,846.01 = 3,948.28/x
  3. Step 3: Cross multiply
    7,135.41x = 9,846.01 × 3,948.28
  4. Step 4: Simplify right side
    7,135.41x = 38,874,804.36
  5. Step 5: Solve for x
    x = 38,874,804.36/7,135.41
  6. Step 6: Final answer
    x = 5,448.15

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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.