Home / 8,309.39-11,460.48-5,325.51

Finding the Fourth Proportional to 8,309.39, 11,460.48 and 5,325.51

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Solution

The fourth proportional to 8,309.39, 11,460.48 and 5,325.51 is: 7,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.39 : 11,460.48 = 5,325.51 : x
  2. Step 2: Convert to fraction form
    8,309.39/11,460.48 = 5,325.51/x
  3. Step 3: Cross multiply
    8,309.39x = 11,460.48 × 5,325.51
  4. Step 4: Simplify right side
    8,309.39x = 61,032,900.84
  5. Step 5: Solve for x
    x = 61,032,900.84/8,309.39
  6. Step 6: Final answer
    x = 7,345.05

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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.