Home / 6,387.41-8,816.04-3,555.77

Finding the Fourth Proportional to 6,387.41, 8,816.04 and 3,555.77

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Solution

The fourth proportional to 6,387.41, 8,816.04 and 3,555.77 is: 4,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.41 : 8,816.04 = 3,555.77 : x
  2. Step 2: Convert to fraction form
    6,387.41/8,816.04 = 3,555.77/x
  3. Step 3: Cross multiply
    6,387.41x = 8,816.04 × 3,555.77
  4. Step 4: Simplify right side
    6,387.41x = 31,347,840.86
  5. Step 5: Solve for x
    x = 31,347,840.86/6,387.41
  6. Step 6: Final answer
    x = 4,907.76

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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.