Home / 6,888.37-10,328.11-2,942.20

Finding the Fourth Proportional to 6,888.37, 10,328.11 and 2,942.20

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Solution

The fourth proportional to 6,888.37, 10,328.11 and 2,942.20 is: 4,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.37 : 10,328.11 = 2,942.20 : x
  2. Step 2: Convert to fraction form
    6,888.37/10,328.11 = 2,942.20/x
  3. Step 3: Cross multiply
    6,888.37x = 10,328.11 × 2,942.20
  4. Step 4: Simplify right side
    6,888.37x = 30,387,341.75
  5. Step 5: Solve for x
    x = 30,387,341.75/6,888.37
  6. Step 6: Final answer
    x = 4,411.40

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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.