Home / 9,004.40-12,421.08-5,277.68

Finding the Fourth Proportional to 9,004.40, 12,421.08 and 5,277.68

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Solution

The fourth proportional to 9,004.40, 12,421.08 and 5,277.68 is: 7,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.40 : 12,421.08 = 5,277.68 : x
  2. Step 2: Convert to fraction form
    9,004.40/12,421.08 = 5,277.68/x
  3. Step 3: Cross multiply
    9,004.40x = 12,421.08 × 5,277.68
  4. Step 4: Simplify right side
    9,004.40x = 65,554,485.49
  5. Step 5: Solve for x
    x = 65,554,485.49/9,004.40
  6. Step 6: Final answer
    x = 7,280.27

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Similar ratio
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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.