Home / 5,708.46-8,564-2,421.67

Finding the Fourth Proportional to 5,708.46, 8,564 and 2,421.67

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Solution

The fourth proportional to 5,708.46, 8,564 and 2,421.67 is: 3,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.46 : 8,564 = 2,421.67 : x
  2. Step 2: Convert to fraction form
    5,708.46/8,564 = 2,421.67/x
  3. Step 3: Cross multiply
    5,708.46x = 8,564 × 2,421.67
  4. Step 4: Simplify right side
    5,708.46x = 20,739,181.88
  5. Step 5: Solve for x
    x = 20,739,181.88/5,708.46
  6. Step 6: Final answer
    x = 3,633.06

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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.