Home / 9,745.60-14,618.40-2,725.60

Finding the Fourth Proportional to 9,745.60, 14,618.40 and 2,725.60

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Solution

The fourth proportional to 9,745.60, 14,618.40 and 2,725.60 is: 4,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.60 : 14,618.40 = 2,725.60 : x
  2. Step 2: Convert to fraction form
    9,745.60/14,618.40 = 2,725.60/x
  3. Step 3: Cross multiply
    9,745.60x = 14,618.40 × 2,725.60
  4. Step 4: Simplify right side
    9,745.60x = 39,843,911.04
  5. Step 5: Solve for x
    x = 39,843,911.04/9,745.60
  6. Step 6: Final answer
    x = 4,088.40

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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.