Home / 8,370.62-11,559.26-5,391.64

Finding the Fourth Proportional to 8,370.62, 11,559.26 and 5,391.64

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Solution

The fourth proportional to 8,370.62, 11,559.26 and 5,391.64 is: 7,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.62 : 11,559.26 = 5,391.64 : x
  2. Step 2: Convert to fraction form
    8,370.62/11,559.26 = 5,391.64/x
  3. Step 3: Cross multiply
    8,370.62x = 11,559.26 × 5,391.64
  4. Step 4: Simplify right side
    8,370.62x = 62,323,368.59
  5. Step 5: Solve for x
    x = 62,323,368.59/8,370.62
  6. Step 6: Final answer
    x = 7,445.49

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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.