Home / 7,945.29-10,966.86-4,959.36

Finding the Fourth Proportional to 7,945.29, 10,966.86 and 4,959.36

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Solution

The fourth proportional to 7,945.29, 10,966.86 and 4,959.36 is: 6,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.29 : 10,966.86 = 4,959.36 : x
  2. Step 2: Convert to fraction form
    7,945.29/10,966.86 = 4,959.36/x
  3. Step 3: Cross multiply
    7,945.29x = 10,966.86 × 4,959.36
  4. Step 4: Simplify right side
    7,945.29x = 54,388,606.81
  5. Step 5: Solve for x
    x = 54,388,606.81/7,945.29
  6. Step 6: Final answer
    x = 6,845.39

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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.