Home / 6,855.28-10,271.10-4,629.20

Finding the Fourth Proportional to 6,855.28, 10,271.10 and 4,629.20

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Solution

The fourth proportional to 6,855.28, 10,271.10 and 4,629.20 is: 6,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.28 : 10,271.10 = 4,629.20 : x
  2. Step 2: Convert to fraction form
    6,855.28/10,271.10 = 4,629.20/x
  3. Step 3: Cross multiply
    6,855.28x = 10,271.10 × 4,629.20
  4. Step 4: Simplify right side
    6,855.28x = 47,546,999.90
  5. Step 5: Solve for x
    x = 47,546,999.90/6,855.28
  6. Step 6: Final answer
    x = 6,935.82

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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.