Home / 4,670.49-6,445.07-2,679.65

Finding the Fourth Proportional to 4,670.49, 6,445.07 and 2,679.65

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Solution

The fourth proportional to 4,670.49, 6,445.07 and 2,679.65 is: 3,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.49 : 6,445.07 = 2,679.65 : x
  2. Step 2: Convert to fraction form
    4,670.49/6,445.07 = 2,679.65/x
  3. Step 3: Cross multiply
    4,670.49x = 6,445.07 × 2,679.65
  4. Step 4: Simplify right side
    4,670.49x = 17,270,520.42
  5. Step 5: Solve for x
    x = 17,270,520.42/4,670.49
  6. Step 6: Final answer
    x = 3,697.79

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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.