Home / 8,528.31-12,792.47-2,685.51

Finding the Fourth Proportional to 8,528.31, 12,792.47 and 2,685.51

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Solution

The fourth proportional to 8,528.31, 12,792.47 and 2,685.51 is: 4,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.31 : 12,792.47 = 2,685.51 : x
  2. Step 2: Convert to fraction form
    8,528.31/12,792.47 = 2,685.51/x
  3. Step 3: Cross multiply
    8,528.31x = 12,792.47 × 2,685.51
  4. Step 4: Simplify right side
    8,528.31x = 34,354,292.68
  5. Step 5: Solve for x
    x = 34,354,292.68/8,528.31
  6. Step 6: Final answer
    x = 4,028.27

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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.