Home / 4,455.60-6,146.79-2,686.19

Finding the Fourth Proportional to 4,455.60, 6,146.79 and 2,686.19

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Solution

The fourth proportional to 4,455.60, 6,146.79 and 2,686.19 is: 3,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.60 : 6,146.79 = 2,686.19 : x
  2. Step 2: Convert to fraction form
    4,455.60/6,146.79 = 2,686.19/x
  3. Step 3: Cross multiply
    4,455.60x = 6,146.79 × 2,686.19
  4. Step 4: Simplify right side
    4,455.60x = 16,511,415.10
  5. Step 5: Solve for x
    x = 16,511,415.10/4,455.60
  6. Step 6: Final answer
    x = 3,705.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.