Home / 8,038.58-12,058.67-2,772.90

Finding the Fourth Proportional to 8,038.58, 12,058.67 and 2,772.90

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Solution

The fourth proportional to 8,038.58, 12,058.67 and 2,772.90 is: 4,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.58 : 12,058.67 = 2,772.90 : x
  2. Step 2: Convert to fraction form
    8,038.58/12,058.67 = 2,772.90/x
  3. Step 3: Cross multiply
    8,038.58x = 12,058.67 × 2,772.90
  4. Step 4: Simplify right side
    8,038.58x = 33,437,492.98
  5. Step 5: Solve for x
    x = 33,437,492.98/8,038.58
  6. Step 6: Final answer
    x = 4,159.63

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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.