Home / 6,947.52-10,420.75-2,017.20

Finding the Fourth Proportional to 6,947.52, 10,420.75 and 2,017.20

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Solution

The fourth proportional to 6,947.52, 10,420.75 and 2,017.20 is: 3,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.52 : 10,420.75 = 2,017.20 : x
  2. Step 2: Convert to fraction form
    6,947.52/10,420.75 = 2,017.20/x
  3. Step 3: Cross multiply
    6,947.52x = 10,420.75 × 2,017.20
  4. Step 4: Simplify right side
    6,947.52x = 21,020,778.50
  5. Step 5: Solve for x
    x = 21,020,778.50/6,947.52
  6. Step 6: Final answer
    x = 3,025.65

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1.5x scale

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.