Home / 6,709.40-10,055.70-3,423.80

Finding the Fourth Proportional to 6,709.40, 10,055.70 and 3,423.80

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Solution

The fourth proportional to 6,709.40, 10,055.70 and 3,423.80 is: 5,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.40 : 10,055.70 = 3,423.80 : x
  2. Step 2: Convert to fraction form
    6,709.40/10,055.70 = 3,423.80/x
  3. Step 3: Cross multiply
    6,709.40x = 10,055.70 × 3,423.80
  4. Step 4: Simplify right side
    6,709.40x = 34,428,705.66
  5. Step 5: Solve for x
    x = 34,428,705.66/6,709.40
  6. Step 6: Final answer
    x = 5,131.41

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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.