Home / 4,172.09-6,256.55-1,705.59

Finding the Fourth Proportional to 4,172.09, 6,256.55 and 1,705.59

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Solution

The fourth proportional to 4,172.09, 6,256.55 and 1,705.59 is: 2,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.09 : 6,256.55 = 1,705.59 : x
  2. Step 2: Convert to fraction form
    4,172.09/6,256.55 = 1,705.59/x
  3. Step 3: Cross multiply
    4,172.09x = 6,256.55 × 1,705.59
  4. Step 4: Simplify right side
    4,172.09x = 10,671,109.11
  5. Step 5: Solve for x
    x = 10,671,109.11/4,172.09
  6. Step 6: Final answer
    x = 2,557.74

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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.