Home / 5,184.18-7,155.36-2,947.32

Finding the Fourth Proportional to 5,184.18, 7,155.36 and 2,947.32

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Solution

The fourth proportional to 5,184.18, 7,155.36 and 2,947.32 is: 4,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.18 : 7,155.36 = 2,947.32 : x
  2. Step 2: Convert to fraction form
    5,184.18/7,155.36 = 2,947.32/x
  3. Step 3: Cross multiply
    5,184.18x = 7,155.36 × 2,947.32
  4. Step 4: Simplify right side
    5,184.18x = 21,089,135.64
  5. Step 5: Solve for x
    x = 21,089,135.64/5,184.18
  6. Step 6: Final answer
    x = 4,067.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.