Home / 7,070.39-10,596.42-2,905.68

Finding the Fourth Proportional to 7,070.39, 10,596.42 and 2,905.68

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Solution

The fourth proportional to 7,070.39, 10,596.42 and 2,905.68 is: 4,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.39 : 10,596.42 = 2,905.68 : x
  2. Step 2: Convert to fraction form
    7,070.39/10,596.42 = 2,905.68/x
  3. Step 3: Cross multiply
    7,070.39x = 10,596.42 × 2,905.68
  4. Step 4: Simplify right side
    7,070.39x = 30,789,805.67
  5. Step 5: Solve for x
    x = 30,789,805.67/7,070.39
  6. Step 6: Final answer
    x = 4,354.76

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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.