Home / 8,528.37-12,768.93-4,359.40

Finding the Fourth Proportional to 8,528.37, 12,768.93 and 4,359.40

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Solution

The fourth proportional to 8,528.37, 12,768.93 and 4,359.40 is: 6,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.37 : 12,768.93 = 4,359.40 : x
  2. Step 2: Convert to fraction form
    8,528.37/12,768.93 = 4,359.40/x
  3. Step 3: Cross multiply
    8,528.37x = 12,768.93 × 4,359.40
  4. Step 4: Simplify right side
    8,528.37x = 55,664,873.44
  5. Step 5: Solve for x
    x = 55,664,873.44/8,528.37
  6. Step 6: Final answer
    x = 6,527.03

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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.