Home / 9,789.77-13,509.65-5,597.75

Finding the Fourth Proportional to 9,789.77, 13,509.65 and 5,597.75

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Solution

The fourth proportional to 9,789.77, 13,509.65 and 5,597.75 is: 7,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.77 : 13,509.65 = 5,597.75 : x
  2. Step 2: Convert to fraction form
    9,789.77/13,509.65 = 5,597.75/x
  3. Step 3: Cross multiply
    9,789.77x = 13,509.65 × 5,597.75
  4. Step 4: Simplify right side
    9,789.77x = 75,623,615.30
  5. Step 5: Solve for x
    x = 75,623,615.30/9,789.77
  6. Step 6: Final answer
    x = 7,724.76

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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.