Home / 5,253.07-7,878.23-2,479.01

Finding the Fourth Proportional to 5,253.07, 7,878.23 and 2,479.01

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Solution

The fourth proportional to 5,253.07, 7,878.23 and 2,479.01 is: 3,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.07 : 7,878.23 = 2,479.01 : x
  2. Step 2: Convert to fraction form
    5,253.07/7,878.23 = 2,479.01/x
  3. Step 3: Cross multiply
    5,253.07x = 7,878.23 × 2,479.01
  4. Step 4: Simplify right side
    5,253.07x = 19,530,210.95
  5. Step 5: Solve for x
    x = 19,530,210.95/5,253.07
  6. Step 6: Final answer
    x = 3,717.87

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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.