Home / 9,069.20-13,603.80-3,875.60

Finding the Fourth Proportional to 9,069.20, 13,603.80 and 3,875.60

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Solution

The fourth proportional to 9,069.20, 13,603.80 and 3,875.60 is: 5,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.20 : 13,603.80 = 3,875.60 : x
  2. Step 2: Convert to fraction form
    9,069.20/13,603.80 = 3,875.60/x
  3. Step 3: Cross multiply
    9,069.20x = 13,603.80 × 3,875.60
  4. Step 4: Simplify right side
    9,069.20x = 52,722,887.28
  5. Step 5: Solve for x
    x = 52,722,887.28/9,069.20
  6. Step 6: Final answer
    x = 5,813.40

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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.