Home / 4,159.26-6,238.90-1,237.60

Finding the Fourth Proportional to 4,159.26, 6,238.90 and 1,237.60

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Solution

The fourth proportional to 4,159.26, 6,238.90 and 1,237.60 is: 1,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.26 : 6,238.90 = 1,237.60 : x
  2. Step 2: Convert to fraction form
    4,159.26/6,238.90 = 1,237.60/x
  3. Step 3: Cross multiply
    4,159.26x = 6,238.90 × 1,237.60
  4. Step 4: Simplify right side
    4,159.26x = 7,721,262.64
  5. Step 5: Solve for x
    x = 7,721,262.64/4,159.26
  6. Step 6: Final answer
    x = 1,856.40

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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.