Home / 8,943.09-12,340.88-4,964.20

Finding the Fourth Proportional to 8,943.09, 12,340.88 and 4,964.20

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Solution

The fourth proportional to 8,943.09, 12,340.88 and 4,964.20 is: 6,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.09 : 12,340.88 = 4,964.20 : x
  2. Step 2: Convert to fraction form
    8,943.09/12,340.88 = 4,964.20/x
  3. Step 3: Cross multiply
    8,943.09x = 12,340.88 × 4,964.20
  4. Step 4: Simplify right side
    8,943.09x = 61,262,596.50
  5. Step 5: Solve for x
    x = 61,262,596.50/8,943.09
  6. Step 6: Final answer
    x = 6,850.27

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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.