Home / 5,511.95-7,603.29-3,520.28

Finding the Fourth Proportional to 5,511.95, 7,603.29 and 3,520.28

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Solution

The fourth proportional to 5,511.95, 7,603.29 and 3,520.28 is: 4,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.95 : 7,603.29 = 3,520.28 : x
  2. Step 2: Convert to fraction form
    5,511.95/7,603.29 = 3,520.28/x
  3. Step 3: Cross multiply
    5,511.95x = 7,603.29 × 3,520.28
  4. Step 4: Simplify right side
    5,511.95x = 26,765,671.70
  5. Step 5: Solve for x
    x = 26,765,671.70/5,511.95
  6. Step 6: Final answer
    x = 4,855.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.