Home / 7,577.82-10,455.80-4,390.92

Finding the Fourth Proportional to 7,577.82, 10,455.80 and 4,390.92

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Solution

The fourth proportional to 7,577.82, 10,455.80 and 4,390.92 is: 6,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.82 : 10,455.80 = 4,390.92 : x
  2. Step 2: Convert to fraction form
    7,577.82/10,455.80 = 4,390.92/x
  3. Step 3: Cross multiply
    7,577.82x = 10,455.80 × 4,390.92
  4. Step 4: Simplify right side
    7,577.82x = 45,910,559.38
  5. Step 5: Solve for x
    x = 45,910,559.38/7,577.82
  6. Step 6: Final answer
    x = 6,058.54

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Half scale
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Double 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.