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Finding the Fourth Proportional to 3,510.03, 5,265.06 and 912.97

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Solution

The fourth proportional to 3,510.03, 5,265.06 and 912.97 is: 1,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.03 : 5,265.06 = 912.97 : x
  2. Step 2: Convert to fraction form
    3,510.03/5,265.06 = 912.97/x
  3. Step 3: Cross multiply
    3,510.03x = 5,265.06 × 912.97
  4. Step 4: Simplify right side
    3,510.03x = 4,806,828.67
  5. Step 5: Solve for x
    x = 4,806,828.67/3,510.03
  6. Step 6: Final answer
    x = 1,369.46

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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.