Home / 4,713.24-7,069.79-1,426.40

Finding the Fourth Proportional to 4,713.24, 7,069.79 and 1,426.40

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Solution

The fourth proportional to 4,713.24, 7,069.79 and 1,426.40 is: 2,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.24 : 7,069.79 = 1,426.40 : x
  2. Step 2: Convert to fraction form
    4,713.24/7,069.79 = 1,426.40/x
  3. Step 3: Cross multiply
    4,713.24x = 7,069.79 × 1,426.40
  4. Step 4: Simplify right side
    4,713.24x = 10,084,348.46
  5. Step 5: Solve for x
    x = 10,084,348.46/4,713.24
  6. Step 6: Final answer
    x = 2,139.58

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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.