Home / 8,400.94-12,603.68-2,557.55

Finding the Fourth Proportional to 8,400.94, 12,603.68 and 2,557.55

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Solution

The fourth proportional to 8,400.94, 12,603.68 and 2,557.55 is: 3,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.94 : 12,603.68 = 2,557.55 : x
  2. Step 2: Convert to fraction form
    8,400.94/12,603.68 = 2,557.55/x
  3. Step 3: Cross multiply
    8,400.94x = 12,603.68 × 2,557.55
  4. Step 4: Simplify right side
    8,400.94x = 32,234,513.59
  5. Step 5: Solve for x
    x = 32,234,513.59/8,400.94
  6. Step 6: Final answer
    x = 3,837.01

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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.