Home / 8,485.02-12,727.53-2,642.22

Finding the Fourth Proportional to 8,485.02, 12,727.53 and 2,642.22

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Solution

The fourth proportional to 8,485.02, 12,727.53 and 2,642.22 is: 3,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.02 : 12,727.53 = 2,642.22 : x
  2. Step 2: Convert to fraction form
    8,485.02/12,727.53 = 2,642.22/x
  3. Step 3: Cross multiply
    8,485.02x = 12,727.53 × 2,642.22
  4. Step 4: Simplify right side
    8,485.02x = 33,628,934.32
  5. Step 5: Solve for x
    x = 33,628,934.32/8,485.02
  6. Step 6: Final answer
    x = 3,963.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.