Home / 5,015.61-6,921.65-3,250.28

Finding the Fourth Proportional to 5,015.61, 6,921.65 and 3,250.28

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Solution

The fourth proportional to 5,015.61, 6,921.65 and 3,250.28 is: 4,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.61 : 6,921.65 = 3,250.28 : x
  2. Step 2: Convert to fraction form
    5,015.61/6,921.65 = 3,250.28/x
  3. Step 3: Cross multiply
    5,015.61x = 6,921.65 × 3,250.28
  4. Step 4: Simplify right side
    5,015.61x = 22,497,325.99
  5. Step 5: Solve for x
    x = 22,497,325.99/5,015.61
  6. Step 6: Final answer
    x = 4,485.46

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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.