Home / 4,159.92-6,240.02-1,238.45

Finding the Fourth Proportional to 4,159.92, 6,240.02 and 1,238.45

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Solution

The fourth proportional to 4,159.92, 6,240.02 and 1,238.45 is: 1,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.92 : 6,240.02 = 1,238.45 : x
  2. Step 2: Convert to fraction form
    4,159.92/6,240.02 = 1,238.45/x
  3. Step 3: Cross multiply
    4,159.92x = 6,240.02 × 1,238.45
  4. Step 4: Simplify right side
    4,159.92x = 7,727,952.77
  5. Step 5: Solve for x
    x = 7,727,952.77/4,159.92
  6. Step 6: Final answer
    x = 1,857.72

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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.