Home / 4,172.95-6,258.21-1,575.28

Finding the Fourth Proportional to 4,172.95, 6,258.21 and 1,575.28

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Solution

The fourth proportional to 4,172.95, 6,258.21 and 1,575.28 is: 2,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.95 : 6,258.21 = 1,575.28 : x
  2. Step 2: Convert to fraction form
    4,172.95/6,258.21 = 1,575.28/x
  3. Step 3: Cross multiply
    4,172.95x = 6,258.21 × 1,575.28
  4. Step 4: Simplify right side
    4,172.95x = 9,858,433.05
  5. Step 5: Solve for x
    x = 9,858,433.05/4,172.95
  6. Step 6: Final answer
    x = 2,362.46

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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.