Home / 4,780.08-6,599.69-2,990.27

Finding the Fourth Proportional to 4,780.08, 6,599.69 and 2,990.27

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Solution

The fourth proportional to 4,780.08, 6,599.69 and 2,990.27 is: 4,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.08 : 6,599.69 = 2,990.27 : x
  2. Step 2: Convert to fraction form
    4,780.08/6,599.69 = 2,990.27/x
  3. Step 3: Cross multiply
    4,780.08x = 6,599.69 × 2,990.27
  4. Step 4: Simplify right side
    4,780.08x = 19,734,829.49
  5. Step 5: Solve for x
    x = 19,734,829.49/4,780.08
  6. Step 6: Final answer
    x = 4,128.56

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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.