Home / 6,659.16-9,189.60-3,674.99

Finding the Fourth Proportional to 6,659.16, 9,189.60 and 3,674.99

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Solution

The fourth proportional to 6,659.16, 9,189.60 and 3,674.99 is: 5,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.16 : 9,189.60 = 3,674.99 : x
  2. Step 2: Convert to fraction form
    6,659.16/9,189.60 = 3,674.99/x
  3. Step 3: Cross multiply
    6,659.16x = 9,189.60 × 3,674.99
  4. Step 4: Simplify right side
    6,659.16x = 33,771,703.11
  5. Step 5: Solve for x
    x = 33,771,703.11/6,659.16
  6. Step 6: Final answer
    x = 5,071.47

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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.