Home / 8,769.54-12,102.06-4,790.40

Finding the Fourth Proportional to 8,769.54, 12,102.06 and 4,790.40

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Solution

The fourth proportional to 8,769.54, 12,102.06 and 4,790.40 is: 6,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.54 : 12,102.06 = 4,790.40 : x
  2. Step 2: Convert to fraction form
    8,769.54/12,102.06 = 4,790.40/x
  3. Step 3: Cross multiply
    8,769.54x = 12,102.06 × 4,790.40
  4. Step 4: Simplify right side
    8,769.54x = 57,973,708.22
  5. Step 5: Solve for x
    x = 57,973,708.22/8,769.54
  6. Step 6: Final answer
    x = 6,610.80

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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.