Home / 7,440.24-10,267.11-4,455.39

Finding the Fourth Proportional to 7,440.24, 10,267.11 and 4,455.39

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Solution

The fourth proportional to 7,440.24, 10,267.11 and 4,455.39 is: 6,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.24 : 10,267.11 = 4,455.39 : x
  2. Step 2: Convert to fraction form
    7,440.24/10,267.11 = 4,455.39/x
  3. Step 3: Cross multiply
    7,440.24x = 10,267.11 × 4,455.39
  4. Step 4: Simplify right side
    7,440.24x = 45,743,979.22
  5. Step 5: Solve for x
    x = 45,743,979.22/7,440.24
  6. Step 6: Final answer
    x = 6,148.19

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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.