Home / 6,947.40-10,422.45-2,017.20

Finding the Fourth Proportional to 6,947.40, 10,422.45 and 2,017.20

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Solution

The fourth proportional to 6,947.40, 10,422.45 and 2,017.20 is: 3,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.40 : 10,422.45 = 2,017.20 : x
  2. Step 2: Convert to fraction form
    6,947.40/10,422.45 = 2,017.20/x
  3. Step 3: Cross multiply
    6,947.40x = 10,422.45 × 2,017.20
  4. Step 4: Simplify right side
    6,947.40x = 21,024,166.14
  5. Step 5: Solve for x
    x = 21,024,166.14/6,947.40
  6. Step 6: Final answer
    x = 3,026.19

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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.