Home / 7,018.65-10,518.87-2,853.81

Finding the Fourth Proportional to 7,018.65, 10,518.87 and 2,853.81

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Solution

The fourth proportional to 7,018.65, 10,518.87 and 2,853.81 is: 4,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.65 : 10,518.87 = 2,853.81 : x
  2. Step 2: Convert to fraction form
    7,018.65/10,518.87 = 2,853.81/x
  3. Step 3: Cross multiply
    7,018.65x = 10,518.87 × 2,853.81
  4. Step 4: Simplify right side
    7,018.65x = 30,018,856.39
  5. Step 5: Solve for x
    x = 30,018,856.39/7,018.65
  6. Step 6: Final answer
    x = 4,277.01

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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.