Home / 6,418.08-8,859.65-3,901.01

Finding the Fourth Proportional to 6,418.08, 8,859.65 and 3,901.01

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Solution

The fourth proportional to 6,418.08, 8,859.65 and 3,901.01 is: 5,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.08 : 8,859.65 = 3,901.01 : x
  2. Step 2: Convert to fraction form
    6,418.08/8,859.65 = 3,901.01/x
  3. Step 3: Cross multiply
    6,418.08x = 8,859.65 × 3,901.01
  4. Step 4: Simplify right side
    6,418.08x = 34,561,548.70
  5. Step 5: Solve for x
    x = 34,561,548.70/6,418.08
  6. Step 6: Final answer
    x = 5,385.03

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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.