Home / 7,157.25-9,877.01-4,013.45

Finding the Fourth Proportional to 7,157.25, 9,877.01 and 4,013.45

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Solution

The fourth proportional to 7,157.25, 9,877.01 and 4,013.45 is: 5,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.25 : 9,877.01 = 4,013.45 : x
  2. Step 2: Convert to fraction form
    7,157.25/9,877.01 = 4,013.45/x
  3. Step 3: Cross multiply
    7,157.25x = 9,877.01 × 4,013.45
  4. Step 4: Simplify right side
    7,157.25x = 39,640,816.33
  5. Step 5: Solve for x
    x = 39,640,816.33/7,157.25
  6. Step 6: Final answer
    x = 5,538.55

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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.