Home / 7,187.01-9,918.09-4,832.34

Finding the Fourth Proportional to 7,187.01, 9,918.09 and 4,832.34

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Solution

The fourth proportional to 7,187.01, 9,918.09 and 4,832.34 is: 6,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.01 : 9,918.09 = 4,832.34 : x
  2. Step 2: Convert to fraction form
    7,187.01/9,918.09 = 4,832.34/x
  3. Step 3: Cross multiply
    7,187.01x = 9,918.09 × 4,832.34
  4. Step 4: Simplify right side
    7,187.01x = 47,927,583.03
  5. Step 5: Solve for x
    x = 47,927,583.03/7,187.01
  6. Step 6: Final answer
    x = 6,668.64

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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.