Home / 8,416.23-11,609.97-6,423.30

Finding the Fourth Proportional to 8,416.23, 11,609.97 and 6,423.30

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Solution

The fourth proportional to 8,416.23, 11,609.97 and 6,423.30 is: 8,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.23 : 11,609.97 = 6,423.30 : x
  2. Step 2: Convert to fraction form
    8,416.23/11,609.97 = 6,423.30/x
  3. Step 3: Cross multiply
    8,416.23x = 11,609.97 × 6,423.30
  4. Step 4: Simplify right side
    8,416.23x = 74,574,320.30
  5. Step 5: Solve for x
    x = 74,574,320.30/8,416.23
  6. Step 6: Final answer
    x = 8,860.77

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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.