Home / 8,465.07-12,699.20-3,785.27

Finding the Fourth Proportional to 8,465.07, 12,699.20 and 3,785.27

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Solution

The fourth proportional to 8,465.07, 12,699.20 and 3,785.27 is: 5,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.07 : 12,699.20 = 3,785.27 : x
  2. Step 2: Convert to fraction form
    8,465.07/12,699.20 = 3,785.27/x
  3. Step 3: Cross multiply
    8,465.07x = 12,699.20 × 3,785.27
  4. Step 4: Simplify right side
    8,465.07x = 48,069,818.36
  5. Step 5: Solve for x
    x = 48,069,818.36/8,465.07
  6. Step 6: Final answer
    x = 5,678.61

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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.