Home / 7,619.32-10,515.34-4,634.44

Finding the Fourth Proportional to 7,619.32, 10,515.34 and 4,634.44

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Solution

The fourth proportional to 7,619.32, 10,515.34 and 4,634.44 is: 6,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.32 : 10,515.34 = 4,634.44 : x
  2. Step 2: Convert to fraction form
    7,619.32/10,515.34 = 4,634.44/x
  3. Step 3: Cross multiply
    7,619.32x = 10,515.34 × 4,634.44
  4. Step 4: Simplify right side
    7,619.32x = 48,732,712.31
  5. Step 5: Solve for x
    x = 48,732,712.31/7,619.32
  6. Step 6: Final answer
    x = 6,395.94

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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.