Home / 5,603.80-8,405.52-2,315.92

Finding the Fourth Proportional to 5,603.80, 8,405.52 and 2,315.92

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Solution

The fourth proportional to 5,603.80, 8,405.52 and 2,315.92 is: 3,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.80 : 8,405.52 = 2,315.92 : x
  2. Step 2: Convert to fraction form
    5,603.80/8,405.52 = 2,315.92/x
  3. Step 3: Cross multiply
    5,603.80x = 8,405.52 × 2,315.92
  4. Step 4: Simplify right side
    5,603.80x = 19,466,511.88
  5. Step 5: Solve for x
    x = 19,466,511.88/5,603.80
  6. Step 6: Final answer
    x = 3,473.81

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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.