Home / 6,977.89-9,632.02-4,620.79

Finding the Fourth Proportional to 6,977.89, 9,632.02 and 4,620.79

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Solution

The fourth proportional to 6,977.89, 9,632.02 and 4,620.79 is: 6,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.89 : 9,632.02 = 4,620.79 : x
  2. Step 2: Convert to fraction form
    6,977.89/9,632.02 = 4,620.79/x
  3. Step 3: Cross multiply
    6,977.89x = 9,632.02 × 4,620.79
  4. Step 4: Simplify right side
    6,977.89x = 44,507,541.70
  5. Step 5: Solve for x
    x = 44,507,541.70/6,977.89
  6. Step 6: Final answer
    x = 6,378.37

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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.