Home / 4,090.95-6,127.08-3,211.45

Finding the Fourth Proportional to 4,090.95, 6,127.08 and 3,211.45

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Solution

The fourth proportional to 4,090.95, 6,127.08 and 3,211.45 is: 4,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.95 : 6,127.08 = 3,211.45 : x
  2. Step 2: Convert to fraction form
    4,090.95/6,127.08 = 3,211.45/x
  3. Step 3: Cross multiply
    4,090.95x = 6,127.08 × 3,211.45
  4. Step 4: Simplify right side
    4,090.95x = 19,676,811.07
  5. Step 5: Solve for x
    x = 19,676,811.07/4,090.95
  6. Step 6: Final answer
    x = 4,809.84

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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.