Home / 4,124.16-6,146.55-4,089.78

Finding the Fourth Proportional to 4,124.16, 6,146.55 and 4,089.78

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Solution

The fourth proportional to 4,124.16, 6,146.55 and 4,089.78 is: 6,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.16 : 6,146.55 = 4,089.78 : x
  2. Step 2: Convert to fraction form
    4,124.16/6,146.55 = 4,089.78/x
  3. Step 3: Cross multiply
    4,124.16x = 6,146.55 × 4,089.78
  4. Step 4: Simplify right side
    4,124.16x = 25,138,037.26
  5. Step 5: Solve for x
    x = 25,138,037.26/4,124.16
  6. Step 6: Final answer
    x = 6,095.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.