Home / 7,478.44-11,205.26-4,547.88

Finding the Fourth Proportional to 7,478.44, 11,205.26 and 4,547.88

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Solution

The fourth proportional to 7,478.44, 11,205.26 and 4,547.88 is: 6,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.44 : 11,205.26 = 4,547.88 : x
  2. Step 2: Convert to fraction form
    7,478.44/11,205.26 = 4,547.88/x
  3. Step 3: Cross multiply
    7,478.44x = 11,205.26 × 4,547.88
  4. Step 4: Simplify right side
    7,478.44x = 50,960,177.85
  5. Step 5: Solve for x
    x = 50,960,177.85/7,478.44
  6. Step 6: Final answer
    x = 6,814.28

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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.