Home / 8,483.28-12,725.73-2,638.32

Finding the Fourth Proportional to 8,483.28, 12,725.73 and 2,638.32

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Solution

The fourth proportional to 8,483.28, 12,725.73 and 2,638.32 is: 3,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.28 : 12,725.73 = 2,638.32 : x
  2. Step 2: Convert to fraction form
    8,483.28/12,725.73 = 2,638.32/x
  3. Step 3: Cross multiply
    8,483.28x = 12,725.73 × 2,638.32
  4. Step 4: Simplify right side
    8,483.28x = 33,574,547.97
  5. Step 5: Solve for x
    x = 33,574,547.97/8,483.28
  6. Step 6: Final answer
    x = 3,957.73

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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.