Home / 8,320.20-11,468.21-5,898.39

Finding the Fourth Proportional to 8,320.20, 11,468.21 and 5,898.39

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Solution

The fourth proportional to 8,320.20, 11,468.21 and 5,898.39 is: 8,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.20 : 11,468.21 = 5,898.39 : x
  2. Step 2: Convert to fraction form
    8,320.20/11,468.21 = 5,898.39/x
  3. Step 3: Cross multiply
    8,320.20x = 11,468.21 × 5,898.39
  4. Step 4: Simplify right side
    8,320.20x = 67,643,945.69
  5. Step 5: Solve for x
    x = 67,643,945.69/8,320.20
  6. Step 6: Final answer
    x = 8,130.09

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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.