Home / 7,517.09-11,276.13-1,970.57

Finding the Fourth Proportional to 7,517.09, 11,276.13 and 1,970.57

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Solution

The fourth proportional to 7,517.09, 11,276.13 and 1,970.57 is: 2,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.09 : 11,276.13 = 1,970.57 : x
  2. Step 2: Convert to fraction form
    7,517.09/11,276.13 = 1,970.57/x
  3. Step 3: Cross multiply
    7,517.09x = 11,276.13 × 1,970.57
  4. Step 4: Simplify right side
    7,517.09x = 22,220,403.49
  5. Step 5: Solve for x
    x = 22,220,403.49/7,517.09
  6. Step 6: Final answer
    x = 2,955.98

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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.