Home / 5,577.92-8,365.26-1,681.28

Finding the Fourth Proportional to 5,577.92, 8,365.26 and 1,681.28

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Solution

The fourth proportional to 5,577.92, 8,365.26 and 1,681.28 is: 2,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.92 : 8,365.26 = 1,681.28 : x
  2. Step 2: Convert to fraction form
    5,577.92/8,365.26 = 1,681.28/x
  3. Step 3: Cross multiply
    5,577.92x = 8,365.26 × 1,681.28
  4. Step 4: Simplify right side
    5,577.92x = 14,064,344.33
  5. Step 5: Solve for x
    x = 14,064,344.33/5,577.92
  6. Step 6: Final answer
    x = 2,521.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.