Home / 7,699.28-11,548.92-3,085.52

Finding the Fourth Proportional to 7,699.28, 11,548.92 and 3,085.52

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Solution

The fourth proportional to 7,699.28, 11,548.92 and 3,085.52 is: 4,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.28 : 11,548.92 = 3,085.52 : x
  2. Step 2: Convert to fraction form
    7,699.28/11,548.92 = 3,085.52/x
  3. Step 3: Cross multiply
    7,699.28x = 11,548.92 × 3,085.52
  4. Step 4: Simplify right side
    7,699.28x = 35,634,423.64
  5. Step 5: Solve for x
    x = 35,634,423.64/7,699.28
  6. Step 6: Final answer
    x = 4,628.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.