Home / 7,513.58-11,260.10-2,828.88

Finding the Fourth Proportional to 7,513.58, 11,260.10 and 2,828.88

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Solution

The fourth proportional to 7,513.58, 11,260.10 and 2,828.88 is: 4,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.58 : 11,260.10 = 2,828.88 : x
  2. Step 2: Convert to fraction form
    7,513.58/11,260.10 = 2,828.88/x
  3. Step 3: Cross multiply
    7,513.58x = 11,260.10 × 2,828.88
  4. Step 4: Simplify right side
    7,513.58x = 31,853,457.54
  5. Step 5: Solve for x
    x = 31,853,457.54/7,513.58
  6. Step 6: Final answer
    x = 4,239.45

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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.