Home / 7,108.16-10,663.36-1,914.24

Finding the Fourth Proportional to 7,108.16, 10,663.36 and 1,914.24

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Solution

The fourth proportional to 7,108.16, 10,663.36 and 1,914.24 is: 2,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.16 : 10,663.36 = 1,914.24 : x
  2. Step 2: Convert to fraction form
    7,108.16/10,663.36 = 1,914.24/x
  3. Step 3: Cross multiply
    7,108.16x = 10,663.36 × 1,914.24
  4. Step 4: Simplify right side
    7,108.16x = 20,412,230.25
  5. Step 5: Solve for x
    x = 20,412,230.25/7,108.16
  6. Step 6: Final answer
    x = 2,871.66

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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.