Home / 6,319.58-9,480.86-2,159.63

Finding the Fourth Proportional to 6,319.58, 9,480.86 and 2,159.63

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Solution

The fourth proportional to 6,319.58, 9,480.86 and 2,159.63 is: 3,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.58 : 9,480.86 = 2,159.63 : x
  2. Step 2: Convert to fraction form
    6,319.58/9,480.86 = 2,159.63/x
  3. Step 3: Cross multiply
    6,319.58x = 9,480.86 × 2,159.63
  4. Step 4: Simplify right side
    6,319.58x = 20,475,091.48
  5. Step 5: Solve for x
    x = 20,475,091.48/6,319.58
  6. Step 6: Final answer
    x = 3,239.94

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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.