Home / 6,679.02-9,186.51-5,475.30

Finding the Fourth Proportional to 6,679.02, 9,186.51 and 5,475.30

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Solution

The fourth proportional to 6,679.02, 9,186.51 and 5,475.30 is: 7,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.02 : 9,186.51 = 5,475.30 : x
  2. Step 2: Convert to fraction form
    6,679.02/9,186.51 = 5,475.30/x
  3. Step 3: Cross multiply
    6,679.02x = 9,186.51 × 5,475.30
  4. Step 4: Simplify right side
    6,679.02x = 50,298,898.20
  5. Step 5: Solve for x
    x = 50,298,898.20/6,679.02
  6. Step 6: Final answer
    x = 7,530.88

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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.