Home / 8,477.95-12,708.45-4,027.78

Finding the Fourth Proportional to 8,477.95, 12,708.45 and 4,027.78

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Solution

The fourth proportional to 8,477.95, 12,708.45 and 4,027.78 is: 6,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.95 : 12,708.45 = 4,027.78 : x
  2. Step 2: Convert to fraction form
    8,477.95/12,708.45 = 4,027.78/x
  3. Step 3: Cross multiply
    8,477.95x = 12,708.45 × 4,027.78
  4. Step 4: Simplify right side
    8,477.95x = 51,186,840.74
  5. Step 5: Solve for x
    x = 51,186,840.74/8,477.95
  6. Step 6: Final answer
    x = 6,037.64

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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.