Home / 6,999.24-10,495.80-3,711.60

Finding the Fourth Proportional to 6,999.24, 10,495.80 and 3,711.60

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Solution

The fourth proportional to 6,999.24, 10,495.80 and 3,711.60 is: 5,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.24 : 10,495.80 = 3,711.60 : x
  2. Step 2: Convert to fraction form
    6,999.24/10,495.80 = 3,711.60/x
  3. Step 3: Cross multiply
    6,999.24x = 10,495.80 × 3,711.60
  4. Step 4: Simplify right side
    6,999.24x = 38,956,211.28
  5. Step 5: Solve for x
    x = 38,956,211.28/6,999.24
  6. Step 6: Final answer
    x = 5,565.78

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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.