Home / 5,668.16-8,502.40-1,772.80

Finding the Fourth Proportional to 5,668.16, 8,502.40 and 1,772.80

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Solution

The fourth proportional to 5,668.16, 8,502.40 and 1,772.80 is: 2,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.16 : 8,502.40 = 1,772.80 : x
  2. Step 2: Convert to fraction form
    5,668.16/8,502.40 = 1,772.80/x
  3. Step 3: Cross multiply
    5,668.16x = 8,502.40 × 1,772.80
  4. Step 4: Simplify right side
    5,668.16x = 15,073,054.72
  5. Step 5: Solve for x
    x = 15,073,054.72/5,668.16
  6. Step 6: Final answer
    x = 2,659.25

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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.