Home / 8,477.23-12,710.24-3,790.79

Finding the Fourth Proportional to 8,477.23, 12,710.24 and 3,790.79

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Solution

The fourth proportional to 8,477.23, 12,710.24 and 3,790.79 is: 5,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.23 : 12,710.24 = 3,790.79 : x
  2. Step 2: Convert to fraction form
    8,477.23/12,710.24 = 3,790.79/x
  3. Step 3: Cross multiply
    8,477.23x = 12,710.24 × 3,790.79
  4. Step 4: Simplify right side
    8,477.23x = 48,181,876.47
  5. Step 5: Solve for x
    x = 48,181,876.47/8,477.23
  6. Step 6: Final answer
    x = 5,683.68

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1.5x scale

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.