Home / 8,790.12-13,185.16-3,527.50

Finding the Fourth Proportional to 8,790.12, 13,185.16 and 3,527.50

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Solution

The fourth proportional to 8,790.12, 13,185.16 and 3,527.50 is: 5,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.12 : 13,185.16 = 3,527.50 : x
  2. Step 2: Convert to fraction form
    8,790.12/13,185.16 = 3,527.50/x
  3. Step 3: Cross multiply
    8,790.12x = 13,185.16 × 3,527.50
  4. Step 4: Simplify right side
    8,790.12x = 46,510,651.90
  5. Step 5: Solve for x
    x = 46,510,651.90/8,790.12
  6. Step 6: Final answer
    x = 5,291.24

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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.