Home / 4,590.80-6,884.05-1,668.72

Finding the Fourth Proportional to 4,590.80, 6,884.05 and 1,668.72

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Solution

The fourth proportional to 4,590.80, 6,884.05 and 1,668.72 is: 2,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.80 : 6,884.05 = 1,668.72 : x
  2. Step 2: Convert to fraction form
    4,590.80/6,884.05 = 1,668.72/x
  3. Step 3: Cross multiply
    4,590.80x = 6,884.05 × 1,668.72
  4. Step 4: Simplify right side
    4,590.80x = 11,487,551.92
  5. Step 5: Solve for x
    x = 11,487,551.92/4,590.80
  6. Step 6: Final answer
    x = 2,502.30

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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.