Home / 7,619.16-11,426.70-2,621.46

Finding the Fourth Proportional to 7,619.16, 11,426.70 and 2,621.46

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Solution

The fourth proportional to 7,619.16, 11,426.70 and 2,621.46 is: 3,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.16 : 11,426.70 = 2,621.46 : x
  2. Step 2: Convert to fraction form
    7,619.16/11,426.70 = 2,621.46/x
  3. Step 3: Cross multiply
    7,619.16x = 11,426.70 × 2,621.46
  4. Step 4: Simplify right side
    7,619.16x = 29,954,636.98
  5. Step 5: Solve for x
    x = 29,954,636.98/7,619.16
  6. Step 6: Final answer
    x = 3,931.49

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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.