Home / 7,945.82-10,964.51-4,715.08

Finding the Fourth Proportional to 7,945.82, 10,964.51 and 4,715.08

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Solution

The fourth proportional to 7,945.82, 10,964.51 and 4,715.08 is: 6,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.82 : 10,964.51 = 4,715.08 : x
  2. Step 2: Convert to fraction form
    7,945.82/10,964.51 = 4,715.08/x
  3. Step 3: Cross multiply
    7,945.82x = 10,964.51 × 4,715.08
  4. Step 4: Simplify right side
    7,945.82x = 51,698,531.94
  5. Step 5: Solve for x
    x = 51,698,531.94/7,945.82
  6. Step 6: Final answer
    x = 6,506.38

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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.