Home / 6,518.58-8,995.53-3,685.91

Finding the Fourth Proportional to 6,518.58, 8,995.53 and 3,685.91

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Solution

The fourth proportional to 6,518.58, 8,995.53 and 3,685.91 is: 5,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.58 : 8,995.53 = 3,685.91 : x
  2. Step 2: Convert to fraction form
    6,518.58/8,995.53 = 3,685.91/x
  3. Step 3: Cross multiply
    6,518.58x = 8,995.53 × 3,685.91
  4. Step 4: Simplify right side
    6,518.58x = 33,156,713.98
  5. Step 5: Solve for x
    x = 33,156,713.98/6,518.58
  6. Step 6: Final answer
    x = 5,086.49

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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.