Home / 6,887.10-10,329.48-1,955.64

Finding the Fourth Proportional to 6,887.10, 10,329.48 and 1,955.64

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Solution

The fourth proportional to 6,887.10, 10,329.48 and 1,955.64 is: 2,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.10 : 10,329.48 = 1,955.64 : x
  2. Step 2: Convert to fraction form
    6,887.10/10,329.48 = 1,955.64/x
  3. Step 3: Cross multiply
    6,887.10x = 10,329.48 × 1,955.64
  4. Step 4: Simplify right side
    6,887.10x = 20,200,744.27
  5. Step 5: Solve for x
    x = 20,200,744.27/6,887.10
  6. Step 6: Final answer
    x = 2,933.13

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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.