Home / 6,947.56-10,420.08-2,017.90

Finding the Fourth Proportional to 6,947.56, 10,420.08 and 2,017.90

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Solution

The fourth proportional to 6,947.56, 10,420.08 and 2,017.90 is: 3,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.56 : 10,420.08 = 2,017.90 : x
  2. Step 2: Convert to fraction form
    6,947.56/10,420.08 = 2,017.90/x
  3. Step 3: Cross multiply
    6,947.56x = 10,420.08 × 2,017.90
  4. Step 4: Simplify right side
    6,947.56x = 21,026,679.43
  5. Step 5: Solve for x
    x = 21,026,679.43/6,947.56
  6. Step 6: Final answer
    x = 3,026.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.