Home / 7,405.27-10,213.52-4,420.47

Finding the Fourth Proportional to 7,405.27, 10,213.52 and 4,420.47

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Solution

The fourth proportional to 7,405.27, 10,213.52 and 4,420.47 is: 6,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.27 : 10,213.52 = 4,420.47 : x
  2. Step 2: Convert to fraction form
    7,405.27/10,213.52 = 4,420.47/x
  3. Step 3: Cross multiply
    7,405.27x = 10,213.52 × 4,420.47
  4. Step 4: Simplify right side
    7,405.27x = 45,148,587.39
  5. Step 5: Solve for x
    x = 45,148,587.39/7,405.27
  6. Step 6: Final answer
    x = 6,096.82

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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.