Home / 5,037.22-7,555.23-1,339.72

Finding the Fourth Proportional to 5,037.22, 7,555.23 and 1,339.72

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Solution

The fourth proportional to 5,037.22, 7,555.23 and 1,339.72 is: 2,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.22 : 7,555.23 = 1,339.72 : x
  2. Step 2: Convert to fraction form
    5,037.22/7,555.23 = 1,339.72/x
  3. Step 3: Cross multiply
    5,037.22x = 7,555.23 × 1,339.72
  4. Step 4: Simplify right side
    5,037.22x = 10,121,892.74
  5. Step 5: Solve for x
    x = 10,121,892.74/5,037.22
  6. Step 6: Final answer
    x = 2,009.42

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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.