Home / 5,447.06-8,171.65-1,749.01

Finding the Fourth Proportional to 5,447.06, 8,171.65 and 1,749.01

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Solution

The fourth proportional to 5,447.06, 8,171.65 and 1,749.01 is: 2,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.06 : 8,171.65 = 1,749.01 : x
  2. Step 2: Convert to fraction form
    5,447.06/8,171.65 = 1,749.01/x
  3. Step 3: Cross multiply
    5,447.06x = 8,171.65 × 1,749.01
  4. Step 4: Simplify right side
    5,447.06x = 14,292,256.71
  5. Step 5: Solve for x
    x = 14,292,256.71/5,447.06
  6. Step 6: Final answer
    x = 2,623.85

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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.