Home / 6,518.30-8,995.21-3,534.11

Finding the Fourth Proportional to 6,518.30, 8,995.21 and 3,534.11

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Solution

The fourth proportional to 6,518.30, 8,995.21 and 3,534.11 is: 4,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.30 : 8,995.21 = 3,534.11 : x
  2. Step 2: Convert to fraction form
    6,518.30/8,995.21 = 3,534.11/x
  3. Step 3: Cross multiply
    6,518.30x = 8,995.21 × 3,534.11
  4. Step 4: Simplify right side
    6,518.30x = 31,790,092.13
  5. Step 5: Solve for x
    x = 31,790,092.13/6,518.30
  6. Step 6: Final answer
    x = 4,877.05

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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.