Home / 7,553.12-10,421.78-4,195.46

Finding the Fourth Proportional to 7,553.12, 10,421.78 and 4,195.46

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Solution

The fourth proportional to 7,553.12, 10,421.78 and 4,195.46 is: 5,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.12 : 10,421.78 = 4,195.46 : x
  2. Step 2: Convert to fraction form
    7,553.12/10,421.78 = 4,195.46/x
  3. Step 3: Cross multiply
    7,553.12x = 10,421.78 × 4,195.46
  4. Step 4: Simplify right side
    7,553.12x = 43,724,088.03
  5. Step 5: Solve for x
    x = 43,724,088.03/7,553.12
  6. Step 6: Final answer
    x = 5,788.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.