Home / 4,439.30-6,658.35-1,319.24

Finding the Fourth Proportional to 4,439.30, 6,658.35 and 1,319.24

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Solution

The fourth proportional to 4,439.30, 6,658.35 and 1,319.24 is: 1,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.30 : 6,658.35 = 1,319.24 : x
  2. Step 2: Convert to fraction form
    4,439.30/6,658.35 = 1,319.24/x
  3. Step 3: Cross multiply
    4,439.30x = 6,658.35 × 1,319.24
  4. Step 4: Simplify right side
    4,439.30x = 8,783,980.77
  5. Step 5: Solve for x
    x = 8,783,980.77/4,439.30
  6. Step 6: Final answer
    x = 1,978.69

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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.