Home / 5,458.08-8,189.58-2,338.91

Finding the Fourth Proportional to 5,458.08, 8,189.58 and 2,338.91

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Solution

The fourth proportional to 5,458.08, 8,189.58 and 2,338.91 is: 3,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.08 : 8,189.58 = 2,338.91 : x
  2. Step 2: Convert to fraction form
    5,458.08/8,189.58 = 2,338.91/x
  3. Step 3: Cross multiply
    5,458.08x = 8,189.58 × 2,338.91
  4. Step 4: Simplify right side
    5,458.08x = 19,154,649.61
  5. Step 5: Solve for x
    x = 19,154,649.61/5,458.08
  6. Step 6: Final answer
    x = 3,509.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.