Home / 5,053.40-7,579.96-2,987.72

Finding the Fourth Proportional to 5,053.40, 7,579.96 and 2,987.72

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Solution

The fourth proportional to 5,053.40, 7,579.96 and 2,987.72 is: 4,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.40 : 7,579.96 = 2,987.72 : x
  2. Step 2: Convert to fraction form
    5,053.40/7,579.96 = 2,987.72/x
  3. Step 3: Cross multiply
    5,053.40x = 7,579.96 × 2,987.72
  4. Step 4: Simplify right side
    5,053.40x = 22,646,798.09
  5. Step 5: Solve for x
    x = 22,646,798.09/5,053.40
  6. Step 6: Final answer
    x = 4,481.50

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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.