Home / 7,444.78-10,273.93-4,087.74

Finding the Fourth Proportional to 7,444.78, 10,273.93 and 4,087.74

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Solution

The fourth proportional to 7,444.78, 10,273.93 and 4,087.74 is: 5,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.78 : 10,273.93 = 4,087.74 : x
  2. Step 2: Convert to fraction form
    7,444.78/10,273.93 = 4,087.74/x
  3. Step 3: Cross multiply
    7,444.78x = 10,273.93 × 4,087.74
  4. Step 4: Simplify right side
    7,444.78x = 41,997,118.71
  5. Step 5: Solve for x
    x = 41,997,118.71/7,444.78
  6. Step 6: Final answer
    x = 5,641.15

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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.