Home / 7,457.08-11,185.36-1,910.48

Finding the Fourth Proportional to 7,457.08, 11,185.36 and 1,910.48

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Solution

The fourth proportional to 7,457.08, 11,185.36 and 1,910.48 is: 2,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.08 : 11,185.36 = 1,910.48 : x
  2. Step 2: Convert to fraction form
    7,457.08/11,185.36 = 1,910.48/x
  3. Step 3: Cross multiply
    7,457.08x = 11,185.36 × 1,910.48
  4. Step 4: Simplify right side
    7,457.08x = 21,369,345.87
  5. Step 5: Solve for x
    x = 21,369,345.87/7,457.08
  6. Step 6: Final answer
    x = 2,865.65

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Double scale
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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.