Home / 6,518.24-8,995.10-3,685.77

Finding the Fourth Proportional to 6,518.24, 8,995.10 and 3,685.77

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Solution

The fourth proportional to 6,518.24, 8,995.10 and 3,685.77 is: 5,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.24 : 8,995.10 = 3,685.77 : x
  2. Step 2: Convert to fraction form
    6,518.24/8,995.10 = 3,685.77/x
  3. Step 3: Cross multiply
    6,518.24x = 8,995.10 × 3,685.77
  4. Step 4: Simplify right side
    6,518.24x = 33,153,872.03
  5. Step 5: Solve for x
    x = 33,153,872.03/6,518.24
  6. Step 6: Final answer
    x = 5,086.32

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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.