Home / 7,619.70-10,515.06-4,433.61

Finding the Fourth Proportional to 7,619.70, 10,515.06 and 4,433.61

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Solution

The fourth proportional to 7,619.70, 10,515.06 and 4,433.61 is: 6,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.70 : 10,515.06 = 4,433.61 : x
  2. Step 2: Convert to fraction form
    7,619.70/10,515.06 = 4,433.61/x
  3. Step 3: Cross multiply
    7,619.70x = 10,515.06 × 4,433.61
  4. Step 4: Simplify right side
    7,619.70x = 46,619,675.17
  5. Step 5: Solve for x
    x = 46,619,675.17/7,619.70
  6. Step 6: Final answer
    x = 6,118.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.