Home / 7,189.02-9,923.04-4,205.52

Finding the Fourth Proportional to 7,189.02, 9,923.04 and 4,205.52

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Solution

The fourth proportional to 7,189.02, 9,923.04 and 4,205.52 is: 5,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.02 : 9,923.04 = 4,205.52 : x
  2. Step 2: Convert to fraction form
    7,189.02/9,923.04 = 4,205.52/x
  3. Step 3: Cross multiply
    7,189.02x = 9,923.04 × 4,205.52
  4. Step 4: Simplify right side
    7,189.02x = 41,731,543.18
  5. Step 5: Solve for x
    x = 41,731,543.18/7,189.02
  6. Step 6: Final answer
    x = 5,804.90

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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.