Home / 6,631.20-9,146.32-4,271.06

Finding the Fourth Proportional to 6,631.20, 9,146.32 and 4,271.06

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Solution

The fourth proportional to 6,631.20, 9,146.32 and 4,271.06 is: 5,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.20 : 9,146.32 = 4,271.06 : x
  2. Step 2: Convert to fraction form
    6,631.20/9,146.32 = 4,271.06/x
  3. Step 3: Cross multiply
    6,631.20x = 9,146.32 × 4,271.06
  4. Step 4: Simplify right side
    6,631.20x = 39,064,493.69
  5. Step 5: Solve for x
    x = 39,064,493.69/6,631.20
  6. Step 6: Final answer
    x = 5,891.01

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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.