Home / 4,720.54-7,084.01-1,947.19

Finding the Fourth Proportional to 4,720.54, 7,084.01 and 1,947.19

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Solution

The fourth proportional to 4,720.54, 7,084.01 and 1,947.19 is: 2,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.54 : 7,084.01 = 1,947.19 : x
  2. Step 2: Convert to fraction form
    4,720.54/7,084.01 = 1,947.19/x
  3. Step 3: Cross multiply
    4,720.54x = 7,084.01 × 1,947.19
  4. Step 4: Simplify right side
    4,720.54x = 13,793,887.31
  5. Step 5: Solve for x
    x = 13,793,887.31/4,720.54
  6. Step 6: Final answer
    x = 2,922.10

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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.