Home / 6,947.90-10,423.20-2,017.70

Finding the Fourth Proportional to 6,947.90, 10,423.20 and 2,017.70

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Solution

The fourth proportional to 6,947.90, 10,423.20 and 2,017.70 is: 3,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.90 : 10,423.20 = 2,017.70 : x
  2. Step 2: Convert to fraction form
    6,947.90/10,423.20 = 2,017.70/x
  3. Step 3: Cross multiply
    6,947.90x = 10,423.20 × 2,017.70
  4. Step 4: Simplify right side
    6,947.90x = 21,030,890.64
  5. Step 5: Solve for x
    x = 21,030,890.64/6,947.90
  6. Step 6: Final answer
    x = 3,026.94

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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.