Home / 7,356.74-10,152.19-3,999.47

Finding the Fourth Proportional to 7,356.74, 10,152.19 and 3,999.47

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Solution

The fourth proportional to 7,356.74, 10,152.19 and 3,999.47 is: 5,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.74 : 10,152.19 = 3,999.47 : x
  2. Step 2: Convert to fraction form
    7,356.74/10,152.19 = 3,999.47/x
  3. Step 3: Cross multiply
    7,356.74x = 10,152.19 × 3,999.47
  4. Step 4: Simplify right side
    7,356.74x = 40,603,333.58
  5. Step 5: Solve for x
    x = 40,603,333.58/7,356.74
  6. Step 6: Final answer
    x = 5,519.21

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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.