Home / 4,971.56-7,457.32-1,273.78

Finding the Fourth Proportional to 4,971.56, 7,457.32 and 1,273.78

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Solution

The fourth proportional to 4,971.56, 7,457.32 and 1,273.78 is: 1,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.56 : 7,457.32 = 1,273.78 : x
  2. Step 2: Convert to fraction form
    4,971.56/7,457.32 = 1,273.78/x
  3. Step 3: Cross multiply
    4,971.56x = 7,457.32 × 1,273.78
  4. Step 4: Simplify right side
    4,971.56x = 9,499,009.79
  5. Step 5: Solve for x
    x = 9,499,009.79/4,971.56
  6. Step 6: Final answer
    x = 1,910.67

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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.