Home / 7,518.16-11,280.12-2,837.84

Finding the Fourth Proportional to 7,518.16, 11,280.12 and 2,837.84

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Solution

The fourth proportional to 7,518.16, 11,280.12 and 2,837.84 is: 4,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.16 : 11,280.12 = 2,837.84 : x
  2. Step 2: Convert to fraction form
    7,518.16/11,280.12 = 2,837.84/x
  3. Step 3: Cross multiply
    7,518.16x = 11,280.12 × 2,837.84
  4. Step 4: Simplify right side
    7,518.16x = 32,011,175.74
  5. Step 5: Solve for x
    x = 32,011,175.74/7,518.16
  6. Step 6: Final answer
    x = 4,257.85

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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.