Home / 8,527.04-12,790.60-2,980.36

Finding the Fourth Proportional to 8,527.04, 12,790.60 and 2,980.36

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Solution

The fourth proportional to 8,527.04, 12,790.60 and 2,980.36 is: 4,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.04 : 12,790.60 = 2,980.36 : x
  2. Step 2: Convert to fraction form
    8,527.04/12,790.60 = 2,980.36/x
  3. Step 3: Cross multiply
    8,527.04x = 12,790.60 × 2,980.36
  4. Step 4: Simplify right side
    8,527.04x = 38,120,592.62
  5. Step 5: Solve for x
    x = 38,120,592.62/8,527.04
  6. Step 6: Final answer
    x = 4,470.55

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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.