Home / 4,776.19-7,164.79-1,313.44

Finding the Fourth Proportional to 4,776.19, 7,164.79 and 1,313.44

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Solution

The fourth proportional to 4,776.19, 7,164.79 and 1,313.44 is: 1,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.19 : 7,164.79 = 1,313.44 : x
  2. Step 2: Convert to fraction form
    4,776.19/7,164.79 = 1,313.44/x
  3. Step 3: Cross multiply
    4,776.19x = 7,164.79 × 1,313.44
  4. Step 4: Simplify right side
    4,776.19x = 9,410,500.58
  5. Step 5: Solve for x
    x = 9,410,500.58/4,776.19
  6. Step 6: Final answer
    x = 1,970.30

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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.