Home / 7,015.35-10,529.17-2,855.34

Finding the Fourth Proportional to 7,015.35, 10,529.17 and 2,855.34

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Solution

The fourth proportional to 7,015.35, 10,529.17 and 2,855.34 is: 4,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.35 : 10,529.17 = 2,855.34 : x
  2. Step 2: Convert to fraction form
    7,015.35/10,529.17 = 2,855.34/x
  3. Step 3: Cross multiply
    7,015.35x = 10,529.17 × 2,855.34
  4. Step 4: Simplify right side
    7,015.35x = 30,064,360.27
  5. Step 5: Solve for x
    x = 30,064,360.27/7,015.35
  6. Step 6: Final answer
    x = 4,285.51

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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.