Home / 8,423.30-11,624.22-4,646.60

Finding the Fourth Proportional to 8,423.30, 11,624.22 and 4,646.60

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Solution

The fourth proportional to 8,423.30, 11,624.22 and 4,646.60 is: 6,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.30 : 11,624.22 = 4,646.60 : x
  2. Step 2: Convert to fraction form
    8,423.30/11,624.22 = 4,646.60/x
  3. Step 3: Cross multiply
    8,423.30x = 11,624.22 × 4,646.60
  4. Step 4: Simplify right side
    8,423.30x = 54,013,100.65
  5. Step 5: Solve for x
    x = 54,013,100.65/8,423.30
  6. Step 6: Final answer
    x = 6,412.34

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Half scale
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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.