Home / 4,439.86-6,658.65-1,319.13

Finding the Fourth Proportional to 4,439.86, 6,658.65 and 1,319.13

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Solution

The fourth proportional to 4,439.86, 6,658.65 and 1,319.13 is: 1,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.86 : 6,658.65 = 1,319.13 : x
  2. Step 2: Convert to fraction form
    4,439.86/6,658.65 = 1,319.13/x
  3. Step 3: Cross multiply
    4,439.86x = 6,658.65 × 1,319.13
  4. Step 4: Simplify right side
    4,439.86x = 8,783,624.97
  5. Step 5: Solve for x
    x = 8,783,624.97/4,439.86
  6. Step 6: Final answer
    x = 1,978.36

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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.