Home / 8,526.50-12,789.78-2,370.50

Finding the Fourth Proportional to 8,526.50, 12,789.78 and 2,370.50

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Solution

The fourth proportional to 8,526.50, 12,789.78 and 2,370.50 is: 3,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.50 : 12,789.78 = 2,370.50 : x
  2. Step 2: Convert to fraction form
    8,526.50/12,789.78 = 2,370.50/x
  3. Step 3: Cross multiply
    8,526.50x = 12,789.78 × 2,370.50
  4. Step 4: Simplify right side
    8,526.50x = 30,318,173.49
  5. Step 5: Solve for x
    x = 30,318,173.49/8,526.50
  6. Step 6: Final answer
    x = 3,555.76

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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.