Home / 6,890.40-10,331.04-2,507.34

Finding the Fourth Proportional to 6,890.40, 10,331.04 and 2,507.34

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Solution

The fourth proportional to 6,890.40, 10,331.04 and 2,507.34 is: 3,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.40 : 10,331.04 = 2,507.34 : x
  2. Step 2: Convert to fraction form
    6,890.40/10,331.04 = 2,507.34/x
  3. Step 3: Cross multiply
    6,890.40x = 10,331.04 × 2,507.34
  4. Step 4: Simplify right side
    6,890.40x = 25,903,429.83
  5. Step 5: Solve for x
    x = 25,903,429.83/6,890.40
  6. Step 6: Final answer
    x = 3,759.35

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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.