Home / 8,905.55-13,358.45-3,975.47

Finding the Fourth Proportional to 8,905.55, 13,358.45 and 3,975.47

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Solution

The fourth proportional to 8,905.55, 13,358.45 and 3,975.47 is: 5,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.55 : 13,358.45 = 3,975.47 : x
  2. Step 2: Convert to fraction form
    8,905.55/13,358.45 = 3,975.47/x
  3. Step 3: Cross multiply
    8,905.55x = 13,358.45 × 3,975.47
  4. Step 4: Simplify right side
    8,905.55x = 53,106,030.55
  5. Step 5: Solve for x
    x = 53,106,030.55/8,905.55
  6. Step 6: Final answer
    x = 5,963.25

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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.