Home / 8,529.32-12,792.30-2,686.28

Finding the Fourth Proportional to 8,529.32, 12,792.30 and 2,686.28

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Solution

The fourth proportional to 8,529.32, 12,792.30 and 2,686.28 is: 4,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.32 : 12,792.30 = 2,686.28 : x
  2. Step 2: Convert to fraction form
    8,529.32/12,792.30 = 2,686.28/x
  3. Step 3: Cross multiply
    8,529.32x = 12,792.30 × 2,686.28
  4. Step 4: Simplify right side
    8,529.32x = 34,363,699.64
  5. Step 5: Solve for x
    x = 34,363,699.64/8,529.32
  6. Step 6: Final answer
    x = 4,028.89

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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.