Home / 5,302.77-7,953.95-2,181.91

Finding the Fourth Proportional to 5,302.77, 7,953.95 and 2,181.91

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Solution

The fourth proportional to 5,302.77, 7,953.95 and 2,181.91 is: 3,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.77 : 7,953.95 = 2,181.91 : x
  2. Step 2: Convert to fraction form
    5,302.77/7,953.95 = 2,181.91/x
  3. Step 3: Cross multiply
    5,302.77x = 7,953.95 × 2,181.91
  4. Step 4: Simplify right side
    5,302.77x = 17,354,803.04
  5. Step 5: Solve for x
    x = 17,354,803.04/5,302.77
  6. Step 6: Final answer
    x = 3,272.78

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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.