Home / 6,636.93-9,156.35-3,802.78

Finding the Fourth Proportional to 6,636.93, 9,156.35 and 3,802.78

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Solution

The fourth proportional to 6,636.93, 9,156.35 and 3,802.78 is: 5,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.93 : 9,156.35 = 3,802.78 : x
  2. Step 2: Convert to fraction form
    6,636.93/9,156.35 = 3,802.78/x
  3. Step 3: Cross multiply
    6,636.93x = 9,156.35 × 3,802.78
  4. Step 4: Simplify right side
    6,636.93x = 34,819,605.61
  5. Step 5: Solve for x
    x = 34,819,605.61/6,636.93
  6. Step 6: Final answer
    x = 5,246.35

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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.