Home / 7,070.40-10,609.26-2,687.94

Finding the Fourth Proportional to 7,070.40, 10,609.26 and 2,687.94

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Solution

The fourth proportional to 7,070.40, 10,609.26 and 2,687.94 is: 4,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.40 : 10,609.26 = 2,687.94 : x
  2. Step 2: Convert to fraction form
    7,070.40/10,609.26 = 2,687.94/x
  3. Step 3: Cross multiply
    7,070.40x = 10,609.26 × 2,687.94
  4. Step 4: Simplify right side
    7,070.40x = 28,517,054.32
  5. Step 5: Solve for x
    x = 28,517,054.32/7,070.40
  6. Step 6: Final answer
    x = 4,033.30

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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.