Home / 4,159.28-6,238.85-1,237.61

Finding the Fourth Proportional to 4,159.28, 6,238.85 and 1,237.61

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Solution

The fourth proportional to 4,159.28, 6,238.85 and 1,237.61 is: 1,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.28 : 6,238.85 = 1,237.61 : x
  2. Step 2: Convert to fraction form
    4,159.28/6,238.85 = 1,237.61/x
  3. Step 3: Cross multiply
    4,159.28x = 6,238.85 × 1,237.61
  4. Step 4: Simplify right side
    4,159.28x = 7,721,225.77
  5. Step 5: Solve for x
    x = 7,721,225.77/4,159.28
  6. Step 6: Final answer
    x = 1,856.39

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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.