Home / 7,018.19-10,527.12-2,087.88

Finding the Fourth Proportional to 7,018.19, 10,527.12 and 2,087.88

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Solution

The fourth proportional to 7,018.19, 10,527.12 and 2,087.88 is: 3,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.19 : 10,527.12 = 2,087.88 : x
  2. Step 2: Convert to fraction form
    7,018.19/10,527.12 = 2,087.88/x
  3. Step 3: Cross multiply
    7,018.19x = 10,527.12 × 2,087.88
  4. Step 4: Simplify right side
    7,018.19x = 21,979,363.31
  5. Step 5: Solve for x
    x = 21,979,363.31/7,018.19
  6. Step 6: Final answer
    x = 3,131.77

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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.