Home / 4,085.04-6,126.98-1,311.35

Finding the Fourth Proportional to 4,085.04, 6,126.98 and 1,311.35

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Solution

The fourth proportional to 4,085.04, 6,126.98 and 1,311.35 is: 1,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.04 : 6,126.98 = 1,311.35 : x
  2. Step 2: Convert to fraction form
    4,085.04/6,126.98 = 1,311.35/x
  3. Step 3: Cross multiply
    4,085.04x = 6,126.98 × 1,311.35
  4. Step 4: Simplify right side
    4,085.04x = 8,034,630.54
  5. Step 5: Solve for x
    x = 8,034,630.54/4,085.04
  6. Step 6: Final answer
    x = 1,966.84

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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.