Home / 7,097.40-10,699.29-6,621.66

Finding the Fourth Proportional to 7,097.40, 10,699.29 and 6,621.66

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Solution

The fourth proportional to 7,097.40, 10,699.29 and 6,621.66 is: 9,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.40 : 10,699.29 = 6,621.66 : x
  2. Step 2: Convert to fraction form
    7,097.40/10,699.29 = 6,621.66/x
  3. Step 3: Cross multiply
    7,097.40x = 10,699.29 × 6,621.66
  4. Step 4: Simplify right side
    7,097.40x = 70,847,060.62
  5. Step 5: Solve for x
    x = 70,847,060.62/7,097.40
  6. Step 6: Final answer
    x = 9,982.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.