Home / 7,576.39-10,455.30-4,219.48

Finding the Fourth Proportional to 7,576.39, 10,455.30 and 4,219.48

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Solution

The fourth proportional to 7,576.39, 10,455.30 and 4,219.48 is: 5,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.39 : 10,455.30 = 4,219.48 : x
  2. Step 2: Convert to fraction form
    7,576.39/10,455.30 = 4,219.48/x
  3. Step 3: Cross multiply
    7,576.39x = 10,455.30 × 4,219.48
  4. Step 4: Simplify right side
    7,576.39x = 44,115,929.24
  5. Step 5: Solve for x
    x = 44,115,929.24/7,576.39
  6. Step 6: Final answer
    x = 5,822.82

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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.