Home / 8,477.63-12,719.10-3,801.56

Finding the Fourth Proportional to 8,477.63, 12,719.10 and 3,801.56

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Solution

The fourth proportional to 8,477.63, 12,719.10 and 3,801.56 is: 5,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.63 : 12,719.10 = 3,801.56 : x
  2. Step 2: Convert to fraction form
    8,477.63/12,719.10 = 3,801.56/x
  3. Step 3: Cross multiply
    8,477.63x = 12,719.10 × 3,801.56
  4. Step 4: Simplify right side
    8,477.63x = 48,352,421.80
  5. Step 5: Solve for x
    x = 48,352,421.80/8,477.63
  6. Step 6: Final answer
    x = 5,703.53

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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.