Home / 7,943.80-10,962.66-4,406.80

Finding the Fourth Proportional to 7,943.80, 10,962.66 and 4,406.80

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Solution

The fourth proportional to 7,943.80, 10,962.66 and 4,406.80 is: 6,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.80 : 10,962.66 = 4,406.80 : x
  2. Step 2: Convert to fraction form
    7,943.80/10,962.66 = 4,406.80/x
  3. Step 3: Cross multiply
    7,943.80x = 10,962.66 × 4,406.80
  4. Step 4: Simplify right side
    7,943.80x = 48,310,250.09
  5. Step 5: Solve for x
    x = 48,310,250.09/7,943.80
  6. Step 6: Final answer
    x = 6,081.50

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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.