Home / 6,722.37-10,079.87-5,158.47

Finding the Fourth Proportional to 6,722.37, 10,079.87 and 5,158.47

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Solution

The fourth proportional to 6,722.37, 10,079.87 and 5,158.47 is: 7,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.37 : 10,079.87 = 5,158.47 : x
  2. Step 2: Convert to fraction form
    6,722.37/10,079.87 = 5,158.47/x
  3. Step 3: Cross multiply
    6,722.37x = 10,079.87 × 5,158.47
  4. Step 4: Simplify right side
    6,722.37x = 51,996,681.21
  5. Step 5: Solve for x
    x = 51,996,681.21/6,722.37
  6. Step 6: Final answer
    x = 7,734.87

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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.