Home / 7,598.40-11,396.16-2,666.88

Finding the Fourth Proportional to 7,598.40, 11,396.16 and 2,666.88

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Solution

The fourth proportional to 7,598.40, 11,396.16 and 2,666.88 is: 3,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.40 : 11,396.16 = 2,666.88 : x
  2. Step 2: Convert to fraction form
    7,598.40/11,396.16 = 2,666.88/x
  3. Step 3: Cross multiply
    7,598.40x = 11,396.16 × 2,666.88
  4. Step 4: Simplify right side
    7,598.40x = 30,392,191.18
  5. Step 5: Solve for x
    x = 30,392,191.18/7,598.40
  6. Step 6: Final answer
    x = 3,999.81

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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.