Home / 6,887.65-10,325.67-2,989.12

Finding the Fourth Proportional to 6,887.65, 10,325.67 and 2,989.12

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Solution

The fourth proportional to 6,887.65, 10,325.67 and 2,989.12 is: 4,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.65 : 10,325.67 = 2,989.12 : x
  2. Step 2: Convert to fraction form
    6,887.65/10,325.67 = 2,989.12/x
  3. Step 3: Cross multiply
    6,887.65x = 10,325.67 × 2,989.12
  4. Step 4: Simplify right side
    6,887.65x = 30,864,666.71
  5. Step 5: Solve for x
    x = 30,864,666.71/6,887.65
  6. Step 6: Final answer
    x = 4,481.16

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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.