Home / 4,720.11-7,081.01-1,945.24

Finding the Fourth Proportional to 4,720.11, 7,081.01 and 1,945.24

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Solution

The fourth proportional to 4,720.11, 7,081.01 and 1,945.24 is: 2,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.11 : 7,081.01 = 1,945.24 : x
  2. Step 2: Convert to fraction form
    4,720.11/7,081.01 = 1,945.24/x
  3. Step 3: Cross multiply
    4,720.11x = 7,081.01 × 1,945.24
  4. Step 4: Simplify right side
    4,720.11x = 13,774,263.89
  5. Step 5: Solve for x
    x = 13,774,263.89/4,720.11
  6. Step 6: Final answer
    x = 2,918.21

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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.