Home / 8,235.51-11,371.56-7,605.81

Finding the Fourth Proportional to 8,235.51, 11,371.56 and 7,605.81

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Solution

The fourth proportional to 8,235.51, 11,371.56 and 7,605.81 is: 10,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.51 : 11,371.56 = 7,605.81 : x
  2. Step 2: Convert to fraction form
    8,235.51/11,371.56 = 7,605.81/x
  3. Step 3: Cross multiply
    8,235.51x = 11,371.56 × 7,605.81
  4. Step 4: Simplify right side
    8,235.51x = 86,489,924.76
  5. Step 5: Solve for x
    x = 86,489,924.76/8,235.51
  6. Step 6: Final answer
    x = 10,502.07

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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.