Home / 6,816.02-10,221.53-2,655.59

Finding the Fourth Proportional to 6,816.02, 10,221.53 and 2,655.59

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Solution

The fourth proportional to 6,816.02, 10,221.53 and 2,655.59 is: 3,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.02 : 10,221.53 = 2,655.59 : x
  2. Step 2: Convert to fraction form
    6,816.02/10,221.53 = 2,655.59/x
  3. Step 3: Cross multiply
    6,816.02x = 10,221.53 × 2,655.59
  4. Step 4: Simplify right side
    6,816.02x = 27,144,128.47
  5. Step 5: Solve for x
    x = 27,144,128.47/6,816.02
  6. Step 6: Final answer
    x = 3,982.40

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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.