Home / 7,110.53-10,664.58-1,915.19

Finding the Fourth Proportional to 7,110.53, 10,664.58 and 1,915.19

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Solution

The fourth proportional to 7,110.53, 10,664.58 and 1,915.19 is: 2,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.53 : 10,664.58 = 1,915.19 : x
  2. Step 2: Convert to fraction form
    7,110.53/10,664.58 = 1,915.19/x
  3. Step 3: Cross multiply
    7,110.53x = 10,664.58 × 1,915.19
  4. Step 4: Simplify right side
    7,110.53x = 20,424,696.97
  5. Step 5: Solve for x
    x = 20,424,696.97/7,110.53
  6. Step 6: Final answer
    x = 2,872.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.