Home / 8,400.15-12,583.40-5,066.55

Finding the Fourth Proportional to 8,400.15, 12,583.40 and 5,066.55

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Solution

The fourth proportional to 8,400.15, 12,583.40 and 5,066.55 is: 7,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.15 : 12,583.40 = 5,066.55 : x
  2. Step 2: Convert to fraction form
    8,400.15/12,583.40 = 5,066.55/x
  3. Step 3: Cross multiply
    8,400.15x = 12,583.40 × 5,066.55
  4. Step 4: Simplify right side
    8,400.15x = 63,754,399.94
  5. Step 5: Solve for x
    x = 63,754,399.94/8,400.15
  6. Step 6: Final answer
    x = 7,589.67

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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.