Home / 7,106.94-9,807.03-3,962.70

Finding the Fourth Proportional to 7,106.94, 9,807.03 and 3,962.70

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Solution

The fourth proportional to 7,106.94, 9,807.03 and 3,962.70 is: 5,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.94 : 9,807.03 = 3,962.70 : x
  2. Step 2: Convert to fraction form
    7,106.94/9,807.03 = 3,962.70/x
  3. Step 3: Cross multiply
    7,106.94x = 9,807.03 × 3,962.70
  4. Step 4: Simplify right side
    7,106.94x = 38,862,317.78
  5. Step 5: Solve for x
    x = 38,862,317.78/7,106.94
  6. Step 6: Final answer
    x = 5,468.22

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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.