Home / 8,077.77-12,118.95-3,395.36

Finding the Fourth Proportional to 8,077.77, 12,118.95 and 3,395.36

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Solution

The fourth proportional to 8,077.77, 12,118.95 and 3,395.36 is: 5,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.77 : 12,118.95 = 3,395.36 : x
  2. Step 2: Convert to fraction form
    8,077.77/12,118.95 = 3,395.36/x
  3. Step 3: Cross multiply
    8,077.77x = 12,118.95 × 3,395.36
  4. Step 4: Simplify right side
    8,077.77x = 41,148,137.48
  5. Step 5: Solve for x
    x = 41,148,137.48/8,077.77
  6. Step 6: Final answer
    x = 5,094.00

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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.