Home / 8,790.48-12,135.87-5,814.93

Finding the Fourth Proportional to 8,790.48, 12,135.87 and 5,814.93

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Solution

The fourth proportional to 8,790.48, 12,135.87 and 5,814.93 is: 8,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.48 : 12,135.87 = 5,814.93 : x
  2. Step 2: Convert to fraction form
    8,790.48/12,135.87 = 5,814.93/x
  3. Step 3: Cross multiply
    8,790.48x = 12,135.87 × 5,814.93
  4. Step 4: Simplify right side
    8,790.48x = 70,569,234.54
  5. Step 5: Solve for x
    x = 70,569,234.54/8,790.48
  6. Step 6: Final answer
    x = 8,027.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.