Home / 6,999.40-10,493.02-2,615.68

Finding the Fourth Proportional to 6,999.40, 10,493.02 and 2,615.68

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Solution

The fourth proportional to 6,999.40, 10,493.02 and 2,615.68 is: 3,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.40 : 10,493.02 = 2,615.68 : x
  2. Step 2: Convert to fraction form
    6,999.40/10,493.02 = 2,615.68/x
  3. Step 3: Cross multiply
    6,999.40x = 10,493.02 × 2,615.68
  4. Step 4: Simplify right side
    6,999.40x = 27,446,382.55
  5. Step 5: Solve for x
    x = 27,446,382.55/6,999.40
  6. Step 6: Final answer
    x = 3,921.25

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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.