Home / 4,976.10-7,464.08-1,278.32

Finding the Fourth Proportional to 4,976.10, 7,464.08 and 1,278.32

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Solution

The fourth proportional to 4,976.10, 7,464.08 and 1,278.32 is: 1,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.10 : 7,464.08 = 1,278.32 : x
  2. Step 2: Convert to fraction form
    4,976.10/7,464.08 = 1,278.32/x
  3. Step 3: Cross multiply
    4,976.10x = 7,464.08 × 1,278.32
  4. Step 4: Simplify right side
    4,976.10x = 9,541,448.62
  5. Step 5: Solve for x
    x = 9,541,448.62/4,976.10
  6. Step 6: Final answer
    x = 1,917.46

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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.