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Finding the Fourth Proportional to 8,792.12, 13,188.16 and 3,529.50

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Solution

The fourth proportional to 8,792.12, 13,188.16 and 3,529.50 is: 5,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.12 : 13,188.16 = 3,529.50 : x
  2. Step 2: Convert to fraction form
    8,792.12/13,188.16 = 3,529.50/x
  3. Step 3: Cross multiply
    8,792.12x = 13,188.16 × 3,529.50
  4. Step 4: Simplify right side
    8,792.12x = 46,547,610.72
  5. Step 5: Solve for x
    x = 46,547,610.72/8,792.12
  6. Step 6: Final answer
    x = 5,294.24

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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.