Home / 7,580.58-11,372.91-2,898.12

Finding the Fourth Proportional to 7,580.58, 11,372.91 and 2,898.12

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Solution

The fourth proportional to 7,580.58, 11,372.91 and 2,898.12 is: 4,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.58 : 11,372.91 = 2,898.12 : x
  2. Step 2: Convert to fraction form
    7,580.58/11,372.91 = 2,898.12/x
  3. Step 3: Cross multiply
    7,580.58x = 11,372.91 × 2,898.12
  4. Step 4: Simplify right side
    7,580.58x = 32,960,057.93
  5. Step 5: Solve for x
    x = 32,960,057.93/7,580.58
  6. Step 6: Final answer
    x = 4,347.96

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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.