Home / 8,180.02-11,287.30-4,642.55

Finding the Fourth Proportional to 8,180.02, 11,287.30 and 4,642.55

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Solution

The fourth proportional to 8,180.02, 11,287.30 and 4,642.55 is: 6,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.02 : 11,287.30 = 4,642.55 : x
  2. Step 2: Convert to fraction form
    8,180.02/11,287.30 = 4,642.55/x
  3. Step 3: Cross multiply
    8,180.02x = 11,287.30 × 4,642.55
  4. Step 4: Simplify right side
    8,180.02x = 52,401,837.60
  5. Step 5: Solve for x
    x = 52,401,837.60/8,180.02
  6. Step 6: Final answer
    x = 6,406.08

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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.