Home / 7,444.58-10,272.93-4,087.38

Finding the Fourth Proportional to 7,444.58, 10,272.93 and 4,087.38

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Solution

The fourth proportional to 7,444.58, 10,272.93 and 4,087.38 is: 5,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.58 : 10,272.93 = 4,087.38 : x
  2. Step 2: Convert to fraction form
    7,444.58/10,272.93 = 4,087.38/x
  3. Step 3: Cross multiply
    7,444.58x = 10,272.93 × 4,087.38
  4. Step 4: Simplify right side
    7,444.58x = 41,989,368.62
  5. Step 5: Solve for x
    x = 41,989,368.62/7,444.58
  6. Step 6: Final answer
    x = 5,640.26

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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.