Home / 4,621.61-6,932.83-1,290.08

Finding the Fourth Proportional to 4,621.61, 6,932.83 and 1,290.08

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Solution

The fourth proportional to 4,621.61, 6,932.83 and 1,290.08 is: 1,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.61 : 6,932.83 = 1,290.08 : x
  2. Step 2: Convert to fraction form
    4,621.61/6,932.83 = 1,290.08/x
  3. Step 3: Cross multiply
    4,621.61x = 6,932.83 × 1,290.08
  4. Step 4: Simplify right side
    4,621.61x = 8,943,905.33
  5. Step 5: Solve for x
    x = 8,943,905.33/4,621.61
  6. Step 6: Final answer
    x = 1,935.24

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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.