Home / 8,499.74-12,742.58-3,752.51

Finding the Fourth Proportional to 8,499.74, 12,742.58 and 3,752.51

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Solution

The fourth proportional to 8,499.74, 12,742.58 and 3,752.51 is: 5,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.74 : 12,742.58 = 3,752.51 : x
  2. Step 2: Convert to fraction form
    8,499.74/12,742.58 = 3,752.51/x
  3. Step 3: Cross multiply
    8,499.74x = 12,742.58 × 3,752.51
  4. Step 4: Simplify right side
    8,499.74x = 47,816,700.11
  5. Step 5: Solve for x
    x = 47,816,700.11/8,499.74
  6. Step 6: Final answer
    x = 5,625.67

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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.