Home / 6,112.06-8,435.58-4,929.46

Finding the Fourth Proportional to 6,112.06, 8,435.58 and 4,929.46

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Solution

The fourth proportional to 6,112.06, 8,435.58 and 4,929.46 is: 6,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.06 : 8,435.58 = 4,929.46 : x
  2. Step 2: Convert to fraction form
    6,112.06/8,435.58 = 4,929.46/x
  3. Step 3: Cross multiply
    6,112.06x = 8,435.58 × 4,929.46
  4. Step 4: Simplify right side
    6,112.06x = 41,582,854.19
  5. Step 5: Solve for x
    x = 41,582,854.19/6,112.06
  6. Step 6: Final answer
    x = 6,803.41

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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.