Home / 6,071.40-9,107.10-2,790.90

Finding the Fourth Proportional to 6,071.40, 9,107.10 and 2,790.90

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Solution

The fourth proportional to 6,071.40, 9,107.10 and 2,790.90 is: 4,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.40 : 9,107.10 = 2,790.90 : x
  2. Step 2: Convert to fraction form
    6,071.40/9,107.10 = 2,790.90/x
  3. Step 3: Cross multiply
    6,071.40x = 9,107.10 × 2,790.90
  4. Step 4: Simplify right side
    6,071.40x = 25,417,005.39
  5. Step 5: Solve for x
    x = 25,417,005.39/6,071.40
  6. Step 6: Final answer
    x = 4,186.35

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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.