Home / 6,423.48-8,864.36-3,628.96

Finding the Fourth Proportional to 6,423.48, 8,864.36 and 3,628.96

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Solution

The fourth proportional to 6,423.48, 8,864.36 and 3,628.96 is: 5,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.48 : 8,864.36 = 3,628.96 : x
  2. Step 2: Convert to fraction form
    6,423.48/8,864.36 = 3,628.96/x
  3. Step 3: Cross multiply
    6,423.48x = 8,864.36 × 3,628.96
  4. Step 4: Simplify right side
    6,423.48x = 32,168,407.87
  5. Step 5: Solve for x
    x = 32,168,407.87/6,423.48
  6. Step 6: Final answer
    x = 5,007.94

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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.