Home / 7,388.18-10,197.34-4,405.66

Finding the Fourth Proportional to 7,388.18, 10,197.34 and 4,405.66

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Solution

The fourth proportional to 7,388.18, 10,197.34 and 4,405.66 is: 6,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.18 : 10,197.34 = 4,405.66 : x
  2. Step 2: Convert to fraction form
    7,388.18/10,197.34 = 4,405.66/x
  3. Step 3: Cross multiply
    7,388.18x = 10,197.34 × 4,405.66
  4. Step 4: Simplify right side
    7,388.18x = 44,926,001.22
  5. Step 5: Solve for x
    x = 44,926,001.22/7,388.18
  6. Step 6: Final answer
    x = 6,080.80

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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.