Home / 5,262.77-7,893.54-2,139.63

Finding the Fourth Proportional to 5,262.77, 7,893.54 and 2,139.63

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Solution

The fourth proportional to 5,262.77, 7,893.54 and 2,139.63 is: 3,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.77 : 7,893.54 = 2,139.63 : x
  2. Step 2: Convert to fraction form
    5,262.77/7,893.54 = 2,139.63/x
  3. Step 3: Cross multiply
    5,262.77x = 7,893.54 × 2,139.63
  4. Step 4: Simplify right side
    5,262.77x = 16,889,254.99
  5. Step 5: Solve for x
    x = 16,889,254.99/5,262.77
  6. Step 6: Final answer
    x = 3,209.20

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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.