Home / 6,713.40-10,069.74-3,426.36

Finding the Fourth Proportional to 6,713.40, 10,069.74 and 3,426.36

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Solution

The fourth proportional to 6,713.40, 10,069.74 and 3,426.36 is: 5,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.40 : 10,069.74 = 3,426.36 : x
  2. Step 2: Convert to fraction form
    6,713.40/10,069.74 = 3,426.36/x
  3. Step 3: Cross multiply
    6,713.40x = 10,069.74 × 3,426.36
  4. Step 4: Simplify right side
    6,713.40x = 34,502,554.35
  5. Step 5: Solve for x
    x = 34,502,554.35/6,713.40
  6. Step 6: Final answer
    x = 5,139.36

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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.