Home / 5,421.84-8,127-2,303.52

Finding the Fourth Proportional to 5,421.84, 8,127 and 2,303.52

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Solution

The fourth proportional to 5,421.84, 8,127 and 2,303.52 is: 3,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.84 : 8,127 = 2,303.52 : x
  2. Step 2: Convert to fraction form
    5,421.84/8,127 = 2,303.52/x
  3. Step 3: Cross multiply
    5,421.84x = 8,127 × 2,303.52
  4. Step 4: Simplify right side
    5,421.84x = 18,720,707.04
  5. Step 5: Solve for x
    x = 18,720,707.04/5,421.84
  6. Step 6: Final answer
    x = 3,452.83

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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.