Home / 7,912.06-10,918.58-4,726.80

Finding the Fourth Proportional to 7,912.06, 10,918.58 and 4,726.80

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Solution

The fourth proportional to 7,912.06, 10,918.58 and 4,726.80 is: 6,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.06 : 10,918.58 = 4,726.80 : x
  2. Step 2: Convert to fraction form
    7,912.06/10,918.58 = 4,726.80/x
  3. Step 3: Cross multiply
    7,912.06x = 10,918.58 × 4,726.80
  4. Step 4: Simplify right side
    7,912.06x = 51,609,955.76
  5. Step 5: Solve for x
    x = 51,609,955.76/7,912.06
  6. Step 6: Final answer
    x = 6,522.95

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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.