Home / 10,879.04-16,324.72-4,638.40

Finding the Fourth Proportional to 10,879.04, 16,324.72 and 4,638.40

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Solution

The fourth proportional to 10,879.04, 16,324.72 and 4,638.40 is: 6,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.04 : 16,324.72 = 4,638.40 : x
  2. Step 2: Convert to fraction form
    10,879.04/16,324.72 = 4,638.40/x
  3. Step 3: Cross multiply
    10,879.04x = 16,324.72 × 4,638.40
  4. Step 4: Simplify right side
    10,879.04x = 75,720,528.84
  5. Step 5: Solve for x
    x = 75,720,528.84/10,879.04
  6. Step 6: Final answer
    x = 6,960.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.