Home / 7,369.61-10,170.28-4,012.65

Finding the Fourth Proportional to 7,369.61, 10,170.28 and 4,012.65

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Solution

The fourth proportional to 7,369.61, 10,170.28 and 4,012.65 is: 5,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.61 : 10,170.28 = 4,012.65 : x
  2. Step 2: Convert to fraction form
    7,369.61/10,170.28 = 4,012.65/x
  3. Step 3: Cross multiply
    7,369.61x = 10,170.28 × 4,012.65
  4. Step 4: Simplify right side
    7,369.61x = 40,809,774.04
  5. Step 5: Solve for x
    x = 40,809,774.04/7,369.61
  6. Step 6: Final answer
    x = 5,537.58

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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.