Home / 8,389.74-11,577.97-4,613.07

Finding the Fourth Proportional to 8,389.74, 11,577.97 and 4,613.07

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Solution

The fourth proportional to 8,389.74, 11,577.97 and 4,613.07 is: 6,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.74 : 11,577.97 = 4,613.07 : x
  2. Step 2: Convert to fraction form
    8,389.74/11,577.97 = 4,613.07/x
  3. Step 3: Cross multiply
    8,389.74x = 11,577.97 × 4,613.07
  4. Step 4: Simplify right side
    8,389.74x = 53,409,916.65
  5. Step 5: Solve for x
    x = 53,409,916.65/8,389.74
  6. Step 6: Final answer
    x = 6,366.10

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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.