Home / 4,809.60-6,633.77-3,015.65

Finding the Fourth Proportional to 4,809.60, 6,633.77 and 3,015.65

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Solution

The fourth proportional to 4,809.60, 6,633.77 and 3,015.65 is: 4,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.60 : 6,633.77 = 3,015.65 : x
  2. Step 2: Convert to fraction form
    4,809.60/6,633.77 = 3,015.65/x
  3. Step 3: Cross multiply
    4,809.60x = 6,633.77 × 3,015.65
  4. Step 4: Simplify right side
    4,809.60x = 20,005,130.01
  5. Step 5: Solve for x
    x = 20,005,130.01/4,809.60
  6. Step 6: Final answer
    x = 4,159.42

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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.