Home / 7,945.92-10,970.82-4,963.20

Finding the Fourth Proportional to 7,945.92, 10,970.82 and 4,963.20

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Solution

The fourth proportional to 7,945.92, 10,970.82 and 4,963.20 is: 6,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.92 : 10,970.82 = 4,963.20 : x
  2. Step 2: Convert to fraction form
    7,945.92/10,970.82 = 4,963.20/x
  3. Step 3: Cross multiply
    7,945.92x = 10,970.82 × 4,963.20
  4. Step 4: Simplify right side
    7,945.92x = 54,450,373.82
  5. Step 5: Solve for x
    x = 54,450,373.82/7,945.92
  6. Step 6: Final answer
    x = 6,852.62

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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.