Home / 6,999.39-10,499.66-2,319.21

Finding the Fourth Proportional to 6,999.39, 10,499.66 and 2,319.21

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Solution

The fourth proportional to 6,999.39, 10,499.66 and 2,319.21 is: 3,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.39 : 10,499.66 = 2,319.21 : x
  2. Step 2: Convert to fraction form
    6,999.39/10,499.66 = 2,319.21/x
  3. Step 3: Cross multiply
    6,999.39x = 10,499.66 × 2,319.21
  4. Step 4: Simplify right side
    6,999.39x = 24,350,904.87
  5. Step 5: Solve for x
    x = 24,350,904.87/6,999.39
  6. Step 6: Final answer
    x = 3,479.00

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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.