Home / 6,271.28-8,656.44-4,175.12

Finding the Fourth Proportional to 6,271.28, 8,656.44 and 4,175.12

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Solution

The fourth proportional to 6,271.28, 8,656.44 and 4,175.12 is: 5,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.28 : 8,656.44 = 4,175.12 : x
  2. Step 2: Convert to fraction form
    6,271.28/8,656.44 = 4,175.12/x
  3. Step 3: Cross multiply
    6,271.28x = 8,656.44 × 4,175.12
  4. Step 4: Simplify right side
    6,271.28x = 36,141,675.77
  5. Step 5: Solve for x
    x = 36,141,675.77/6,271.28
  6. Step 6: Final answer
    x = 5,763.05

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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.