Home / 5,087.10-7,645.23-2,491.86

Finding the Fourth Proportional to 5,087.10, 7,645.23 and 2,491.86

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Solution

The fourth proportional to 5,087.10, 7,645.23 and 2,491.86 is: 3,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.10 : 7,645.23 = 2,491.86 : x
  2. Step 2: Convert to fraction form
    5,087.10/7,645.23 = 2,491.86/x
  3. Step 3: Cross multiply
    5,087.10x = 7,645.23 × 2,491.86
  4. Step 4: Simplify right side
    5,087.10x = 19,050,842.83
  5. Step 5: Solve for x
    x = 19,050,842.83/5,087.10
  6. Step 6: Final answer
    x = 3,744.93

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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.