Home / 7,943.16-10,961.64-4,406.72

Finding the Fourth Proportional to 7,943.16, 10,961.64 and 4,406.72

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Solution

The fourth proportional to 7,943.16, 10,961.64 and 4,406.72 is: 6,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.16 : 10,961.64 = 4,406.72 : x
  2. Step 2: Convert to fraction form
    7,943.16/10,961.64 = 4,406.72/x
  3. Step 3: Cross multiply
    7,943.16x = 10,961.64 × 4,406.72
  4. Step 4: Simplify right side
    7,943.16x = 48,304,878.22
  5. Step 5: Solve for x
    x = 48,304,878.22/7,943.16
  6. Step 6: Final answer
    x = 6,081.32

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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.