Home / 4,319.77-6,479.72-1,358.12

Finding the Fourth Proportional to 4,319.77, 6,479.72 and 1,358.12

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Solution

The fourth proportional to 4,319.77, 6,479.72 and 1,358.12 is: 2,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.77 : 6,479.72 = 1,358.12 : x
  2. Step 2: Convert to fraction form
    4,319.77/6,479.72 = 1,358.12/x
  3. Step 3: Cross multiply
    4,319.77x = 6,479.72 × 1,358.12
  4. Step 4: Simplify right side
    4,319.77x = 8,800,237.33
  5. Step 5: Solve for x
    x = 8,800,237.33/4,319.77
  6. Step 6: Final answer
    x = 2,037.20

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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.