Home / 7,722.48-10,653.75-4,578.06

Finding the Fourth Proportional to 7,722.48, 10,653.75 and 4,578.06

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Solution

The fourth proportional to 7,722.48, 10,653.75 and 4,578.06 is: 6,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.48 : 10,653.75 = 4,578.06 : x
  2. Step 2: Convert to fraction form
    7,722.48/10,653.75 = 4,578.06/x
  3. Step 3: Cross multiply
    7,722.48x = 10,653.75 × 4,578.06
  4. Step 4: Simplify right side
    7,722.48x = 48,773,506.73
  5. Step 5: Solve for x
    x = 48,773,506.73/7,722.48
  6. Step 6: Final answer
    x = 6,315.78

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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.