Home / 8,943.66-12,342.21-4,964.74

Finding the Fourth Proportional to 8,943.66, 12,342.21 and 4,964.74

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Solution

The fourth proportional to 8,943.66, 12,342.21 and 4,964.74 is: 6,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.66 : 12,342.21 = 4,964.74 : x
  2. Step 2: Convert to fraction form
    8,943.66/12,342.21 = 4,964.74/x
  3. Step 3: Cross multiply
    8,943.66x = 12,342.21 × 4,964.74
  4. Step 4: Simplify right side
    8,943.66x = 61,275,777.14
  5. Step 5: Solve for x
    x = 61,275,777.14/8,943.66
  6. Step 6: Final answer
    x = 6,851.31

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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.