Home / 8,320.02-12,476.39-3,122.25

Finding the Fourth Proportional to 8,320.02, 12,476.39 and 3,122.25

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Solution

The fourth proportional to 8,320.02, 12,476.39 and 3,122.25 is: 4,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.02 : 12,476.39 = 3,122.25 : x
  2. Step 2: Convert to fraction form
    8,320.02/12,476.39 = 3,122.25/x
  3. Step 3: Cross multiply
    8,320.02x = 12,476.39 × 3,122.25
  4. Step 4: Simplify right side
    8,320.02x = 38,954,393.07
  5. Step 5: Solve for x
    x = 38,954,393.07/8,320.02
  6. Step 6: Final answer
    x = 4,682.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.