Home / 4,475.04-6,715.80-1,879.68

Finding the Fourth Proportional to 4,475.04, 6,715.80 and 1,879.68

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Solution

The fourth proportional to 4,475.04, 6,715.80 and 1,879.68 is: 2,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.04 : 6,715.80 = 1,879.68 : x
  2. Step 2: Convert to fraction form
    4,475.04/6,715.80 = 1,879.68/x
  3. Step 3: Cross multiply
    4,475.04x = 6,715.80 × 1,879.68
  4. Step 4: Simplify right side
    4,475.04x = 12,623,554.94
  5. Step 5: Solve for x
    x = 12,623,554.94/4,475.04
  6. Step 6: Final answer
    x = 2,820.88

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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.