Home / 6,518.43-8,995.37-3,534.21

Finding the Fourth Proportional to 6,518.43, 8,995.37 and 3,534.21

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Solution

The fourth proportional to 6,518.43, 8,995.37 and 3,534.21 is: 4,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.43 : 8,995.37 = 3,534.21 : x
  2. Step 2: Convert to fraction form
    6,518.43/8,995.37 = 3,534.21/x
  3. Step 3: Cross multiply
    6,518.43x = 8,995.37 × 3,534.21
  4. Step 4: Simplify right side
    6,518.43x = 31,791,508.94
  5. Step 5: Solve for x
    x = 31,791,508.94/6,518.43
  6. Step 6: Final answer
    x = 4,877.17

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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.