Home / 7,018.15-10,529.32-2,087.95

Finding the Fourth Proportional to 7,018.15, 10,529.32 and 2,087.95

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Solution

The fourth proportional to 7,018.15, 10,529.32 and 2,087.95 is: 3,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.15 : 10,529.32 = 2,087.95 : x
  2. Step 2: Convert to fraction form
    7,018.15/10,529.32 = 2,087.95/x
  3. Step 3: Cross multiply
    7,018.15x = 10,529.32 × 2,087.95
  4. Step 4: Simplify right side
    7,018.15x = 21,984,693.69
  5. Step 5: Solve for x
    x = 21,984,693.69/7,018.15
  6. Step 6: Final answer
    x = 3,132.55

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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.