Home / 7,000.40-10,497.76-3,489.13

Finding the Fourth Proportional to 7,000.40, 10,497.76 and 3,489.13

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Solution

The fourth proportional to 7,000.40, 10,497.76 and 3,489.13 is: 5,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.40 : 10,497.76 = 3,489.13 : x
  2. Step 2: Convert to fraction form
    7,000.40/10,497.76 = 3,489.13/x
  3. Step 3: Cross multiply
    7,000.40x = 10,497.76 × 3,489.13
  4. Step 4: Simplify right side
    7,000.40x = 36,628,053.75
  5. Step 5: Solve for x
    x = 36,628,053.75/7,000.40
  6. Step 6: Final answer
    x = 5,232.28

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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.