Home / 9,319.30-12,858.09-6,483.49

Finding the Fourth Proportional to 9,319.30, 12,858.09 and 6,483.49

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Solution

The fourth proportional to 9,319.30, 12,858.09 and 6,483.49 is: 8,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.30 : 12,858.09 = 6,483.49 : x
  2. Step 2: Convert to fraction form
    9,319.30/12,858.09 = 6,483.49/x
  3. Step 3: Cross multiply
    9,319.30x = 12,858.09 × 6,483.49
  4. Step 4: Simplify right side
    9,319.30x = 83,365,297.93
  5. Step 5: Solve for x
    x = 83,365,297.93/9,319.30
  6. Step 6: Final answer
    x = 8,945.45

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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.