Home / 7,090.96-10,638.06-2,708.32

Finding the Fourth Proportional to 7,090.96, 10,638.06 and 2,708.32

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Solution

The fourth proportional to 7,090.96, 10,638.06 and 2,708.32 is: 4,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.96 : 10,638.06 = 2,708.32 : x
  2. Step 2: Convert to fraction form
    7,090.96/10,638.06 = 2,708.32/x
  3. Step 3: Cross multiply
    7,090.96x = 10,638.06 × 2,708.32
  4. Step 4: Simplify right side
    7,090.96x = 28,811,270.66
  5. Step 5: Solve for x
    x = 28,811,270.66/7,090.96
  6. Step 6: Final answer
    x = 4,063.10

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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.