Home / 4,543.74-6,815.48-1,257.03

Finding the Fourth Proportional to 4,543.74, 6,815.48 and 1,257.03

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Solution

The fourth proportional to 4,543.74, 6,815.48 and 1,257.03 is: 1,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.74 : 6,815.48 = 1,257.03 : x
  2. Step 2: Convert to fraction form
    4,543.74/6,815.48 = 1,257.03/x
  3. Step 3: Cross multiply
    4,543.74x = 6,815.48 × 1,257.03
  4. Step 4: Simplify right side
    4,543.74x = 8,567,256.54
  5. Step 5: Solve for x
    x = 8,567,256.54/4,543.74
  6. Step 6: Final answer
    x = 1,885.51

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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.