Home / 8,528.10-12,792.78-2,288.10

Finding the Fourth Proportional to 8,528.10, 12,792.78 and 2,288.10

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Solution

The fourth proportional to 8,528.10, 12,792.78 and 2,288.10 is: 3,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.10 : 12,792.78 = 2,288.10 : x
  2. Step 2: Convert to fraction form
    8,528.10/12,792.78 = 2,288.10/x
  3. Step 3: Cross multiply
    8,528.10x = 12,792.78 × 2,288.10
  4. Step 4: Simplify right side
    8,528.10x = 29,271,159.92
  5. Step 5: Solve for x
    x = 29,271,159.92/8,528.10
  6. Step 6: Final answer
    x = 3,432.32

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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.