Home / 7,379.04-11,070.16-2,185.32

Finding the Fourth Proportional to 7,379.04, 11,070.16 and 2,185.32

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Solution

The fourth proportional to 7,379.04, 11,070.16 and 2,185.32 is: 3,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.04 : 11,070.16 = 2,185.32 : x
  2. Step 2: Convert to fraction form
    7,379.04/11,070.16 = 2,185.32/x
  3. Step 3: Cross multiply
    7,379.04x = 11,070.16 × 2,185.32
  4. Step 4: Simplify right side
    7,379.04x = 24,191,842.05
  5. Step 5: Solve for x
    x = 24,191,842.05/7,379.04
  6. Step 6: Final answer
    x = 3,278.45

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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.