Home / 6,913.87-9,538.72-4,224.36

Finding the Fourth Proportional to 6,913.87, 9,538.72 and 4,224.36

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Solution

The fourth proportional to 6,913.87, 9,538.72 and 4,224.36 is: 5,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.87 : 9,538.72 = 4,224.36 : x
  2. Step 2: Convert to fraction form
    6,913.87/9,538.72 = 4,224.36/x
  3. Step 3: Cross multiply
    6,913.87x = 9,538.72 × 4,224.36
  4. Step 4: Simplify right side
    6,913.87x = 40,294,987.22
  5. Step 5: Solve for x
    x = 40,294,987.22/6,913.87
  6. Step 6: Final answer
    x = 5,828.14

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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.