Home / 8,782.16-12,119.39-4,803.27

Finding the Fourth Proportional to 8,782.16, 12,119.39 and 4,803.27

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Solution

The fourth proportional to 8,782.16, 12,119.39 and 4,803.27 is: 6,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.16 : 12,119.39 = 4,803.27 : x
  2. Step 2: Convert to fraction form
    8,782.16/12,119.39 = 4,803.27/x
  3. Step 3: Cross multiply
    8,782.16x = 12,119.39 × 4,803.27
  4. Step 4: Simplify right side
    8,782.16x = 58,212,650.95
  5. Step 5: Solve for x
    x = 58,212,650.95/8,782.16
  6. Step 6: Final answer
    x = 6,628.52

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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.