Home / 8,777.85-12,113.43-4,798.95

Finding the Fourth Proportional to 8,777.85, 12,113.43 and 4,798.95

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Solution

The fourth proportional to 8,777.85, 12,113.43 and 4,798.95 is: 6,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.85 : 12,113.43 = 4,798.95 : x
  2. Step 2: Convert to fraction form
    8,777.85/12,113.43 = 4,798.95/x
  3. Step 3: Cross multiply
    8,777.85x = 12,113.43 × 4,798.95
  4. Step 4: Simplify right side
    8,777.85x = 58,131,744.90
  5. Step 5: Solve for x
    x = 58,131,744.90/8,777.85
  6. Step 6: Final answer
    x = 6,622.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.