Home / 4,790.80-6,607.74-4,230.28

Finding the Fourth Proportional to 4,790.80, 6,607.74 and 4,230.28

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Solution

The fourth proportional to 4,790.80, 6,607.74 and 4,230.28 is: 5,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.80 : 6,607.74 = 4,230.28 : x
  2. Step 2: Convert to fraction form
    4,790.80/6,607.74 = 4,230.28/x
  3. Step 3: Cross multiply
    4,790.80x = 6,607.74 × 4,230.28
  4. Step 4: Simplify right side
    4,790.80x = 27,952,590.37
  5. Step 5: Solve for x
    x = 27,952,590.37/4,790.80
  6. Step 6: Final answer
    x = 5,834.64

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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.