Home / 7,903.28-10,908.96-5,108.24

Finding the Fourth Proportional to 7,903.28, 10,908.96 and 5,108.24

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Solution

The fourth proportional to 7,903.28, 10,908.96 and 5,108.24 is: 7,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.28 : 10,908.96 = 5,108.24 : x
  2. Step 2: Convert to fraction form
    7,903.28/10,908.96 = 5,108.24/x
  3. Step 3: Cross multiply
    7,903.28x = 10,908.96 × 5,108.24
  4. Step 4: Simplify right side
    7,903.28x = 55,725,585.83
  5. Step 5: Solve for x
    x = 55,725,585.83/7,903.28
  6. Step 6: Final answer
    x = 7,050.94

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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.