Home / 7,405.37-10,219.04-4,420.11

Finding the Fourth Proportional to 7,405.37, 10,219.04 and 4,420.11

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Solution

The fourth proportional to 7,405.37, 10,219.04 and 4,420.11 is: 6,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.37 : 10,219.04 = 4,420.11 : x
  2. Step 2: Convert to fraction form
    7,405.37/10,219.04 = 4,420.11/x
  3. Step 3: Cross multiply
    7,405.37x = 10,219.04 × 4,420.11
  4. Step 4: Simplify right side
    7,405.37x = 45,169,272.52
  5. Step 5: Solve for x
    x = 45,169,272.52/7,405.37
  6. Step 6: Final answer
    x = 6,099.53

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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.