Home / 5,421.15-8,134.07-2,303.26

Finding the Fourth Proportional to 5,421.15, 8,134.07 and 2,303.26

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Solution

The fourth proportional to 5,421.15, 8,134.07 and 2,303.26 is: 3,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.15 : 8,134.07 = 2,303.26 : x
  2. Step 2: Convert to fraction form
    5,421.15/8,134.07 = 2,303.26/x
  3. Step 3: Cross multiply
    5,421.15x = 8,134.07 × 2,303.26
  4. Step 4: Simplify right side
    5,421.15x = 18,734,846.22
  5. Step 5: Solve for x
    x = 18,734,846.22/5,421.15
  6. Step 6: Final answer
    x = 3,455.88

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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.