Home / 4,071.80-6,107.70-2,686.70

Finding the Fourth Proportional to 4,071.80, 6,107.70 and 2,686.70

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Solution

The fourth proportional to 4,071.80, 6,107.70 and 2,686.70 is: 4,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.80 : 6,107.70 = 2,686.70 : x
  2. Step 2: Convert to fraction form
    4,071.80/6,107.70 = 2,686.70/x
  3. Step 3: Cross multiply
    4,071.80x = 6,107.70 × 2,686.70
  4. Step 4: Simplify right side
    4,071.80x = 16,409,557.59
  5. Step 5: Solve for x
    x = 16,409,557.59/4,071.80
  6. Step 6: Final answer
    x = 4,030.05

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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.