Home / 7,575.10-10,455.14-4,388.92

Finding the Fourth Proportional to 7,575.10, 10,455.14 and 4,388.92

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Solution

The fourth proportional to 7,575.10, 10,455.14 and 4,388.92 is: 6,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.10 : 10,455.14 = 4,388.92 : x
  2. Step 2: Convert to fraction form
    7,575.10/10,455.14 = 4,388.92/x
  3. Step 3: Cross multiply
    7,575.10x = 10,455.14 × 4,388.92
  4. Step 4: Simplify right side
    7,575.10x = 45,886,757.88
  5. Step 5: Solve for x
    x = 45,886,757.88/7,575.10
  6. Step 6: Final answer
    x = 6,057.58

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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.