Home / 8,064.68-11,128.40-4,528.28

Finding the Fourth Proportional to 8,064.68, 11,128.40 and 4,528.28

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Solution

The fourth proportional to 8,064.68, 11,128.40 and 4,528.28 is: 6,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.68 : 11,128.40 = 4,528.28 : x
  2. Step 2: Convert to fraction form
    8,064.68/11,128.40 = 4,528.28/x
  3. Step 3: Cross multiply
    8,064.68x = 11,128.40 × 4,528.28
  4. Step 4: Simplify right side
    8,064.68x = 50,392,511.15
  5. Step 5: Solve for x
    x = 50,392,511.15/8,064.68
  6. Step 6: Final answer
    x = 6,248.54

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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.