Home / 5,518.76-8,281.77-2,597.28

Finding the Fourth Proportional to 5,518.76, 8,281.77 and 2,597.28

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Solution

The fourth proportional to 5,518.76, 8,281.77 and 2,597.28 is: 3,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.76 : 8,281.77 = 2,597.28 : x
  2. Step 2: Convert to fraction form
    5,518.76/8,281.77 = 2,597.28/x
  3. Step 3: Cross multiply
    5,518.76x = 8,281.77 × 2,597.28
  4. Step 4: Simplify right side
    5,518.76x = 21,510,075.59
  5. Step 5: Solve for x
    x = 21,510,075.59/5,518.76
  6. Step 6: Final answer
    x = 3,897.63

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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.