Home / 7,802.25-10,766.90-4,615.71

Finding the Fourth Proportional to 7,802.25, 10,766.90 and 4,615.71

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Solution

The fourth proportional to 7,802.25, 10,766.90 and 4,615.71 is: 6,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.25 : 10,766.90 = 4,615.71 : x
  2. Step 2: Convert to fraction form
    7,802.25/10,766.90 = 4,615.71/x
  3. Step 3: Cross multiply
    7,802.25x = 10,766.90 × 4,615.71
  4. Step 4: Simplify right side
    7,802.25x = 49,696,888.00
  5. Step 5: Solve for x
    x = 49,696,888.00/7,802.25
  6. Step 6: Final answer
    x = 6,369.56

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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.