Home / 8,172.23-12,258.33-4,886.25

Finding the Fourth Proportional to 8,172.23, 12,258.33 and 4,886.25

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Solution

The fourth proportional to 8,172.23, 12,258.33 and 4,886.25 is: 7,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.23 : 12,258.33 = 4,886.25 : x
  2. Step 2: Convert to fraction form
    8,172.23/12,258.33 = 4,886.25/x
  3. Step 3: Cross multiply
    8,172.23x = 12,258.33 × 4,886.25
  4. Step 4: Simplify right side
    8,172.23x = 59,897,264.96
  5. Step 5: Solve for x
    x = 59,897,264.96/8,172.23
  6. Step 6: Final answer
    x = 7,329.37

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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.