Home / 8,390.51-11,579.13-4,613.83

Finding the Fourth Proportional to 8,390.51, 11,579.13 and 4,613.83

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Solution

The fourth proportional to 8,390.51, 11,579.13 and 4,613.83 is: 6,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.51 : 11,579.13 = 4,613.83 : x
  2. Step 2: Convert to fraction form
    8,390.51/11,579.13 = 4,613.83/x
  3. Step 3: Cross multiply
    8,390.51x = 11,579.13 × 4,613.83
  4. Step 4: Simplify right side
    8,390.51x = 53,424,137.37
  5. Step 5: Solve for x
    x = 53,424,137.37/8,390.51
  6. Step 6: Final answer
    x = 6,367.21

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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.