Home / 7,715.97-10,636.88-5,058.77

Finding the Fourth Proportional to 7,715.97, 10,636.88 and 5,058.77

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Solution

The fourth proportional to 7,715.97, 10,636.88 and 5,058.77 is: 6,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.97 : 10,636.88 = 5,058.77 : x
  2. Step 2: Convert to fraction form
    7,715.97/10,636.88 = 5,058.77/x
  3. Step 3: Cross multiply
    7,715.97x = 10,636.88 × 5,058.77
  4. Step 4: Simplify right side
    7,715.97x = 53,809,450.96
  5. Step 5: Solve for x
    x = 53,809,450.96/7,715.97
  6. Step 6: Final answer
    x = 6,973.78

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Half scale
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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.