Home / 5,603.04-7,731.90-3,085.50

Finding the Fourth Proportional to 5,603.04, 7,731.90 and 3,085.50

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Solution

The fourth proportional to 5,603.04, 7,731.90 and 3,085.50 is: 4,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.04 : 7,731.90 = 3,085.50 : x
  2. Step 2: Convert to fraction form
    5,603.04/7,731.90 = 3,085.50/x
  3. Step 3: Cross multiply
    5,603.04x = 7,731.90 × 3,085.50
  4. Step 4: Simplify right side
    5,603.04x = 23,856,777.45
  5. Step 5: Solve for x
    x = 23,856,777.45/5,603.04
  6. Step 6: Final answer
    x = 4,257.83

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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.