Home / 5,003.78-6,905.73-3,607.34

Finding the Fourth Proportional to 5,003.78, 6,905.73 and 3,607.34

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Solution

The fourth proportional to 5,003.78, 6,905.73 and 3,607.34 is: 4,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.78 : 6,905.73 = 3,607.34 : x
  2. Step 2: Convert to fraction form
    5,003.78/6,905.73 = 3,607.34/x
  3. Step 3: Cross multiply
    5,003.78x = 6,905.73 × 3,607.34
  4. Step 4: Simplify right side
    5,003.78x = 24,911,316.06
  5. Step 5: Solve for x
    x = 24,911,316.06/5,003.78
  6. Step 6: Final answer
    x = 4,978.50

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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.