Home / 7,379.02-11,070.50-3,219.36

Finding the Fourth Proportional to 7,379.02, 11,070.50 and 3,219.36

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Solution

The fourth proportional to 7,379.02, 11,070.50 and 3,219.36 is: 4,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.02 : 11,070.50 = 3,219.36 : x
  2. Step 2: Convert to fraction form
    7,379.02/11,070.50 = 3,219.36/x
  3. Step 3: Cross multiply
    7,379.02x = 11,070.50 × 3,219.36
  4. Step 4: Simplify right side
    7,379.02x = 35,639,908.78
  5. Step 5: Solve for x
    x = 35,639,908.78/7,379.02
  6. Step 6: Final answer
    x = 4,829.90

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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.