Home / 4,147.52-6,222.40-1,957.76

Finding the Fourth Proportional to 4,147.52, 6,222.40 and 1,957.76

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Solution

The fourth proportional to 4,147.52, 6,222.40 and 1,957.76 is: 2,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.52 : 6,222.40 = 1,957.76 : x
  2. Step 2: Convert to fraction form
    4,147.52/6,222.40 = 1,957.76/x
  3. Step 3: Cross multiply
    4,147.52x = 6,222.40 × 1,957.76
  4. Step 4: Simplify right side
    4,147.52x = 12,181,965.82
  5. Step 5: Solve for x
    x = 12,181,965.82/4,147.52
  6. Step 6: Final answer
    x = 2,937.17

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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.