Home / 4,590.40-6,883.04-1,668.80

Finding the Fourth Proportional to 4,590.40, 6,883.04 and 1,668.80

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Solution

The fourth proportional to 4,590.40, 6,883.04 and 1,668.80 is: 2,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.40 : 6,883.04 = 1,668.80 : x
  2. Step 2: Convert to fraction form
    4,590.40/6,883.04 = 1,668.80/x
  3. Step 3: Cross multiply
    4,590.40x = 6,883.04 × 1,668.80
  4. Step 4: Simplify right side
    4,590.40x = 11,486,417.15
  5. Step 5: Solve for x
    x = 11,486,417.15/4,590.40
  6. Step 6: Final answer
    x = 2,502.27

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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.