Home / 4,861.66-6,705.08-3,090.18

Finding the Fourth Proportional to 4,861.66, 6,705.08 and 3,090.18

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Solution

The fourth proportional to 4,861.66, 6,705.08 and 3,090.18 is: 4,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.66 : 6,705.08 = 3,090.18 : x
  2. Step 2: Convert to fraction form
    4,861.66/6,705.08 = 3,090.18/x
  3. Step 3: Cross multiply
    4,861.66x = 6,705.08 × 3,090.18
  4. Step 4: Simplify right side
    4,861.66x = 20,719,904.11
  5. Step 5: Solve for x
    x = 20,719,904.11/4,861.66
  6. Step 6: Final answer
    x = 4,261.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.