Home / 6,242.89-8,614.40-3,554.46

Finding the Fourth Proportional to 6,242.89, 8,614.40 and 3,554.46

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Solution

The fourth proportional to 6,242.89, 8,614.40 and 3,554.46 is: 4,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.89 : 8,614.40 = 3,554.46 : x
  2. Step 2: Convert to fraction form
    6,242.89/8,614.40 = 3,554.46/x
  3. Step 3: Cross multiply
    6,242.89x = 8,614.40 × 3,554.46
  4. Step 4: Simplify right side
    6,242.89x = 30,619,518.22
  5. Step 5: Solve for x
    x = 30,619,518.22/6,242.89
  6. Step 6: Final answer
    x = 4,904.71

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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.