Home / 9,309.28-12,846.84-5,117.56

Finding the Fourth Proportional to 9,309.28, 12,846.84 and 5,117.56

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Solution

The fourth proportional to 9,309.28, 12,846.84 and 5,117.56 is: 7,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.28 : 12,846.84 = 5,117.56 : x
  2. Step 2: Convert to fraction form
    9,309.28/12,846.84 = 5,117.56/x
  3. Step 3: Cross multiply
    9,309.28x = 12,846.84 × 5,117.56
  4. Step 4: Simplify right side
    9,309.28x = 65,744,474.51
  5. Step 5: Solve for x
    x = 65,744,474.51/9,309.28
  6. Step 6: Final answer
    x = 7,062.25

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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.