Home / 6,319.93-8,720.16-3,667.00

Finding the Fourth Proportional to 6,319.93, 8,720.16 and 3,667.00

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Solution

The fourth proportional to 6,319.93, 8,720.16 and 3,667.00 is: 5,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.93 : 8,720.16 = 3,667.00 : x
  2. Step 2: Convert to fraction form
    6,319.93/8,720.16 = 3,667.00/x
  3. Step 3: Cross multiply
    6,319.93x = 8,720.16 × 3,667.00
  4. Step 4: Simplify right side
    6,319.93x = 31,976,783.12
  5. Step 5: Solve for x
    x = 31,976,783.12/6,319.93
  6. Step 6: Final answer
    x = 5,059.68

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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.