Home / 6,519.01-8,983.81-6,399.05

Finding the Fourth Proportional to 6,519.01, 8,983.81 and 6,399.05

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Solution

The fourth proportional to 6,519.01, 8,983.81 and 6,399.05 is: 8,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.01 : 8,983.81 = 6,399.05 : x
  2. Step 2: Convert to fraction form
    6,519.01/8,983.81 = 6,399.05/x
  3. Step 3: Cross multiply
    6,519.01x = 8,983.81 × 6,399.05
  4. Step 4: Simplify right side
    6,519.01x = 57,487,862.99
  5. Step 5: Solve for x
    x = 57,487,862.99/6,519.01
  6. Step 6: Final answer
    x = 8,818.50

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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.