Home / 4,901.31-7,352.28-1,979.64

Finding the Fourth Proportional to 4,901.31, 7,352.28 and 1,979.64

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Solution

The fourth proportional to 4,901.31, 7,352.28 and 1,979.64 is: 2,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.31 : 7,352.28 = 1,979.64 : x
  2. Step 2: Convert to fraction form
    4,901.31/7,352.28 = 1,979.64/x
  3. Step 3: Cross multiply
    4,901.31x = 7,352.28 × 1,979.64
  4. Step 4: Simplify right side
    4,901.31x = 14,554,867.58
  5. Step 5: Solve for x
    x = 14,554,867.58/4,901.31
  6. Step 6: Final answer
    x = 2,969.59

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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.