Home / 6,988.85-10,485.10-2,606.34

Finding the Fourth Proportional to 6,988.85, 10,485.10 and 2,606.34

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Solution

The fourth proportional to 6,988.85, 10,485.10 and 2,606.34 is: 3,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.85 : 10,485.10 = 2,606.34 : x
  2. Step 2: Convert to fraction form
    6,988.85/10,485.10 = 2,606.34/x
  3. Step 3: Cross multiply
    6,988.85x = 10,485.10 × 2,606.34
  4. Step 4: Simplify right side
    6,988.85x = 27,327,763.45
  5. Step 5: Solve for x
    x = 27,327,763.45/6,988.85
  6. Step 6: Final answer
    x = 3,910.20

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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.