Home / 8,235.69-11,362.37-5,717.13

Finding the Fourth Proportional to 8,235.69, 11,362.37 and 5,717.13

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Solution

The fourth proportional to 8,235.69, 11,362.37 and 5,717.13 is: 7,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.69 : 11,362.37 = 5,717.13 : x
  2. Step 2: Convert to fraction form
    8,235.69/11,362.37 = 5,717.13/x
  3. Step 3: Cross multiply
    8,235.69x = 11,362.37 × 5,717.13
  4. Step 4: Simplify right side
    8,235.69x = 64,960,146.40
  5. Step 5: Solve for x
    x = 64,960,146.40/8,235.69
  6. Step 6: Final answer
    x = 7,887.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.