Home / 5,577.36-8,365.68-1,681.80

Finding the Fourth Proportional to 5,577.36, 8,365.68 and 1,681.80

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Solution

The fourth proportional to 5,577.36, 8,365.68 and 1,681.80 is: 2,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.36 : 8,365.68 = 1,681.80 : x
  2. Step 2: Convert to fraction form
    5,577.36/8,365.68 = 1,681.80/x
  3. Step 3: Cross multiply
    5,577.36x = 8,365.68 × 1,681.80
  4. Step 4: Simplify right side
    5,577.36x = 14,069,400.62
  5. Step 5: Solve for x
    x = 14,069,400.62/5,577.36
  6. Step 6: Final answer
    x = 2,522.59

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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.