Home / 4,159.20-6,240.04-1,237.60

Finding the Fourth Proportional to 4,159.20, 6,240.04 and 1,237.60

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Solution

The fourth proportional to 4,159.20, 6,240.04 and 1,237.60 is: 1,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.20 : 6,240.04 = 1,237.60 : x
  2. Step 2: Convert to fraction form
    4,159.20/6,240.04 = 1,237.60/x
  3. Step 3: Cross multiply
    4,159.20x = 6,240.04 × 1,237.60
  4. Step 4: Simplify right side
    4,159.20x = 7,722,673.50
  5. Step 5: Solve for x
    x = 7,722,673.50/4,159.20
  6. Step 6: Final answer
    x = 1,856.77

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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.