Home / 4,172.38-6,258.81-1,575.34

Finding the Fourth Proportional to 4,172.38, 6,258.81 and 1,575.34

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Solution

The fourth proportional to 4,172.38, 6,258.81 and 1,575.34 is: 2,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.38 : 6,258.81 = 1,575.34 : x
  2. Step 2: Convert to fraction form
    4,172.38/6,258.81 = 1,575.34/x
  3. Step 3: Cross multiply
    4,172.38x = 6,258.81 × 1,575.34
  4. Step 4: Simplify right side
    4,172.38x = 9,859,753.75
  5. Step 5: Solve for x
    x = 9,859,753.75/4,172.38
  6. Step 6: Final answer
    x = 2,363.10

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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.