Home / 8,220.02-11,340.93-5,029.99

Finding the Fourth Proportional to 8,220.02, 11,340.93 and 5,029.99

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Solution

The fourth proportional to 8,220.02, 11,340.93 and 5,029.99 is: 6,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.02 : 11,340.93 = 5,029.99 : x
  2. Step 2: Convert to fraction form
    8,220.02/11,340.93 = 5,029.99/x
  3. Step 3: Cross multiply
    8,220.02x = 11,340.93 × 5,029.99
  4. Step 4: Simplify right side
    8,220.02x = 57,044,737.28
  5. Step 5: Solve for x
    x = 57,044,737.28/8,220.02
  6. Step 6: Final answer
    x = 6,939.74

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Half scale
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Double scale
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Similar ratio
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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.