Home / 4,172.39-6,254.95-1,705.63

Finding the Fourth Proportional to 4,172.39, 6,254.95 and 1,705.63

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Solution

The fourth proportional to 4,172.39, 6,254.95 and 1,705.63 is: 2,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.39 : 6,254.95 = 1,705.63 : x
  2. Step 2: Convert to fraction form
    4,172.39/6,254.95 = 1,705.63/x
  3. Step 3: Cross multiply
    4,172.39x = 6,254.95 × 1,705.63
  4. Step 4: Simplify right side
    4,172.39x = 10,668,638.19
  5. Step 5: Solve for x
    x = 10,668,638.19/4,172.39
  6. Step 6: Final answer
    x = 2,556.96

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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.