Home / 6,979.02-9,635.67-4,330.14

Finding the Fourth Proportional to 6,979.02, 9,635.67 and 4,330.14

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Solution

The fourth proportional to 6,979.02, 9,635.67 and 4,330.14 is: 5,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.02 : 9,635.67 = 4,330.14 : x
  2. Step 2: Convert to fraction form
    6,979.02/9,635.67 = 4,330.14/x
  3. Step 3: Cross multiply
    6,979.02x = 9,635.67 × 4,330.14
  4. Step 4: Simplify right side
    6,979.02x = 41,723,800.09
  5. Step 5: Solve for x
    x = 41,723,800.09/6,979.02
  6. Step 6: Final answer
    x = 5,978.46

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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.