Home / 7,477.49-11,209.31-2,543.67

Finding the Fourth Proportional to 7,477.49, 11,209.31 and 2,543.67

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Solution

The fourth proportional to 7,477.49, 11,209.31 and 2,543.67 is: 3,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.49 : 11,209.31 = 2,543.67 : x
  2. Step 2: Convert to fraction form
    7,477.49/11,209.31 = 2,543.67/x
  3. Step 3: Cross multiply
    7,477.49x = 11,209.31 × 2,543.67
  4. Step 4: Simplify right side
    7,477.49x = 28,512,785.77
  5. Step 5: Solve for x
    x = 28,512,785.77/7,477.49
  6. Step 6: Final answer
    x = 3,813.15

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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.