Home / 8,579.44-11,836.16-5,219.56

Finding the Fourth Proportional to 8,579.44, 11,836.16 and 5,219.56

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Solution

The fourth proportional to 8,579.44, 11,836.16 and 5,219.56 is: 7,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.44 : 11,836.16 = 5,219.56 : x
  2. Step 2: Convert to fraction form
    8,579.44/11,836.16 = 5,219.56/x
  3. Step 3: Cross multiply
    8,579.44x = 11,836.16 × 5,219.56
  4. Step 4: Simplify right side
    8,579.44x = 61,779,547.29
  5. Step 5: Solve for x
    x = 61,779,547.29/8,579.44
  6. Step 6: Final answer
    x = 7,200.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.