Home / 6,731.48-9,289.95-3,748.07

Finding the Fourth Proportional to 6,731.48, 9,289.95 and 3,748.07

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Solution

The fourth proportional to 6,731.48, 9,289.95 and 3,748.07 is: 5,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.48 : 9,289.95 = 3,748.07 : x
  2. Step 2: Convert to fraction form
    6,731.48/9,289.95 = 3,748.07/x
  3. Step 3: Cross multiply
    6,731.48x = 9,289.95 × 3,748.07
  4. Step 4: Simplify right side
    6,731.48x = 34,819,382.90
  5. Step 5: Solve for x
    x = 34,819,382.90/6,731.48
  6. Step 6: Final answer
    x = 5,172.62

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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.