Home / 4,779.02-7,160.04-1,999.58

Finding the Fourth Proportional to 4,779.02, 7,160.04 and 1,999.58

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Solution

The fourth proportional to 4,779.02, 7,160.04 and 1,999.58 is: 2,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.02 : 7,160.04 = 1,999.58 : x
  2. Step 2: Convert to fraction form
    4,779.02/7,160.04 = 1,999.58/x
  3. Step 3: Cross multiply
    4,779.02x = 7,160.04 × 1,999.58
  4. Step 4: Simplify right side
    4,779.02x = 14,317,072.78
  5. Step 5: Solve for x
    x = 14,317,072.78/4,779.02
  6. Step 6: Final answer
    x = 2,995.82

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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.