Home / 6,899.76-10,359.36-6,586.56

Finding the Fourth Proportional to 6,899.76, 10,359.36 and 6,586.56

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Solution

The fourth proportional to 6,899.76, 10,359.36 and 6,586.56 is: 9,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.76 : 10,359.36 = 6,586.56 : x
  2. Step 2: Convert to fraction form
    6,899.76/10,359.36 = 6,586.56/x
  3. Step 3: Cross multiply
    6,899.76x = 10,359.36 × 6,586.56
  4. Step 4: Simplify right side
    6,899.76x = 68,232,546.20
  5. Step 5: Solve for x
    x = 68,232,546.20/6,899.76
  6. Step 6: Final answer
    x = 9,889.12

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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.