Home / 4,970.05-7,455.35-1,272.31

Finding the Fourth Proportional to 4,970.05, 7,455.35 and 1,272.31

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Solution

The fourth proportional to 4,970.05, 7,455.35 and 1,272.31 is: 1,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.05 : 7,455.35 = 1,272.31 : x
  2. Step 2: Convert to fraction form
    4,970.05/7,455.35 = 1,272.31/x
  3. Step 3: Cross multiply
    4,970.05x = 7,455.35 × 1,272.31
  4. Step 4: Simplify right side
    4,970.05x = 9,485,535.68
  5. Step 5: Solve for x
    x = 9,485,535.68/4,970.05
  6. Step 6: Final answer
    x = 1,908.54

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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.