Home / 8,943.92-12,342.74-4,965.28

Finding the Fourth Proportional to 8,943.92, 12,342.74 and 4,965.28

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Solution

The fourth proportional to 8,943.92, 12,342.74 and 4,965.28 is: 6,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.92 : 12,342.74 = 4,965.28 : x
  2. Step 2: Convert to fraction form
    8,943.92/12,342.74 = 4,965.28/x
  3. Step 3: Cross multiply
    8,943.92x = 12,342.74 × 4,965.28
  4. Step 4: Simplify right side
    8,943.92x = 61,285,160.07
  5. Step 5: Solve for x
    x = 61,285,160.07/8,943.92
  6. Step 6: Final answer
    x = 6,852.16

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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.