Home / 8,577.36-12,862.80-3,649.32

Finding the Fourth Proportional to 8,577.36, 12,862.80 and 3,649.32

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Solution

The fourth proportional to 8,577.36, 12,862.80 and 3,649.32 is: 5,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.36 : 12,862.80 = 3,649.32 : x
  2. Step 2: Convert to fraction form
    8,577.36/12,862.80 = 3,649.32/x
  3. Step 3: Cross multiply
    8,577.36x = 12,862.80 × 3,649.32
  4. Step 4: Simplify right side
    8,577.36x = 46,940,473.30
  5. Step 5: Solve for x
    x = 46,940,473.30/8,577.36
  6. Step 6: Final answer
    x = 5,472.60

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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.