Home / 4,971.60-7,447.68-3,018.96

Finding the Fourth Proportional to 4,971.60, 7,447.68 and 3,018.96

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Solution

The fourth proportional to 4,971.60, 7,447.68 and 3,018.96 is: 4,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.60 : 7,447.68 = 3,018.96 : x
  2. Step 2: Convert to fraction form
    4,971.60/7,447.68 = 3,018.96/x
  3. Step 3: Cross multiply
    4,971.60x = 7,447.68 × 3,018.96
  4. Step 4: Simplify right side
    4,971.60x = 22,484,248.01
  5. Step 5: Solve for x
    x = 22,484,248.01/4,971.60
  6. Step 6: Final answer
    x = 4,522.54

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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.