Home / 8,625.58-12,938.68-2,386.08

Finding the Fourth Proportional to 8,625.58, 12,938.68 and 2,386.08

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Solution

The fourth proportional to 8,625.58, 12,938.68 and 2,386.08 is: 3,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.58 : 12,938.68 = 2,386.08 : x
  2. Step 2: Convert to fraction form
    8,625.58/12,938.68 = 2,386.08/x
  3. Step 3: Cross multiply
    8,625.58x = 12,938.68 × 2,386.08
  4. Step 4: Simplify right side
    8,625.58x = 30,872,725.57
  5. Step 5: Solve for x
    x = 30,872,725.57/8,625.58
  6. Step 6: Final answer
    x = 3,579.21

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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.