Home / 8,624.95-12,935.59-2,778.37

Finding the Fourth Proportional to 8,624.95, 12,935.59 and 2,778.37

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Solution

The fourth proportional to 8,624.95, 12,935.59 and 2,778.37 is: 4,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.95 : 12,935.59 = 2,778.37 : x
  2. Step 2: Convert to fraction form
    8,624.95/12,935.59 = 2,778.37/x
  3. Step 3: Cross multiply
    8,624.95x = 12,935.59 × 2,778.37
  4. Step 4: Simplify right side
    8,624.95x = 35,939,855.19
  5. Step 5: Solve for x
    x = 35,939,855.19/8,624.95
  6. Step 6: Final answer
    x = 4,166.96

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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.