Home / 10,309.51-15,464.36-3,290.59

Finding the Fourth Proportional to 10,309.51, 15,464.36 and 3,290.59

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Solution

The fourth proportional to 10,309.51, 15,464.36 and 3,290.59 is: 4,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.51 : 15,464.36 = 3,290.59 : x
  2. Step 2: Convert to fraction form
    10,309.51/15,464.36 = 3,290.59/x
  3. Step 3: Cross multiply
    10,309.51x = 15,464.36 × 3,290.59
  4. Step 4: Simplify right side
    10,309.51x = 50,886,868.37
  5. Step 5: Solve for x
    x = 50,886,868.37/10,309.51
  6. Step 6: Final answer
    x = 4,935.92

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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.