Home / 7,918.56-11,877.03-5,316.03

Finding the Fourth Proportional to 7,918.56, 11,877.03 and 5,316.03

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Solution

The fourth proportional to 7,918.56, 11,877.03 and 5,316.03 is: 7,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.56 : 11,877.03 = 5,316.03 : x
  2. Step 2: Convert to fraction form
    7,918.56/11,877.03 = 5,316.03/x
  3. Step 3: Cross multiply
    7,918.56x = 11,877.03 × 5,316.03
  4. Step 4: Simplify right side
    7,918.56x = 63,138,647.79
  5. Step 5: Solve for x
    x = 63,138,647.79/7,918.56
  6. Step 6: Final answer
    x = 7,973.50

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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.