Home / 6,406.88-8,841.48-3,612.36

Finding the Fourth Proportional to 6,406.88, 8,841.48 and 3,612.36

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Solution

The fourth proportional to 6,406.88, 8,841.48 and 3,612.36 is: 4,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.88 : 8,841.48 = 3,612.36 : x
  2. Step 2: Convert to fraction form
    6,406.88/8,841.48 = 3,612.36/x
  3. Step 3: Cross multiply
    6,406.88x = 8,841.48 × 3,612.36
  4. Step 4: Simplify right side
    6,406.88x = 31,938,608.69
  5. Step 5: Solve for x
    x = 31,938,608.69/6,406.88
  6. Step 6: Final answer
    x = 4,985.05

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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.