Home / 8,282.68-11,430.36-4,747

Finding the Fourth Proportional to 8,282.68, 11,430.36 and 4,747

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Solution

The fourth proportional to 8,282.68, 11,430.36 and 4,747 is: 6,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.68 : 11,430.36 = 4,747 : x
  2. Step 2: Convert to fraction form
    8,282.68/11,430.36 = 4,747/x
  3. Step 3: Cross multiply
    8,282.68x = 11,430.36 × 4,747
  4. Step 4: Simplify right side
    8,282.68x = 54,259,918.92
  5. Step 5: Solve for x
    x = 54,259,918.92/8,282.68
  6. Step 6: Final answer
    x = 6,551.01

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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.