Home / 6,424.86-8,866.32-3,630.36

Finding the Fourth Proportional to 6,424.86, 8,866.32 and 3,630.36

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Solution

The fourth proportional to 6,424.86, 8,866.32 and 3,630.36 is: 5,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.86 : 8,866.32 = 3,630.36 : x
  2. Step 2: Convert to fraction form
    6,424.86/8,866.32 = 3,630.36/x
  3. Step 3: Cross multiply
    6,424.86x = 8,866.32 × 3,630.36
  4. Step 4: Simplify right side
    6,424.86x = 32,187,933.48
  5. Step 5: Solve for x
    x = 32,187,933.48/6,424.86
  6. Step 6: Final answer
    x = 5,009.90

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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.