Home / 7,842.83-10,822.75-4,306.10

Finding the Fourth Proportional to 7,842.83, 10,822.75 and 4,306.10

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Solution

The fourth proportional to 7,842.83, 10,822.75 and 4,306.10 is: 5,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.83 : 10,822.75 = 4,306.10 : x
  2. Step 2: Convert to fraction form
    7,842.83/10,822.75 = 4,306.10/x
  3. Step 3: Cross multiply
    7,842.83x = 10,822.75 × 4,306.10
  4. Step 4: Simplify right side
    7,842.83x = 46,603,860.07
  5. Step 5: Solve for x
    x = 46,603,860.07/7,842.83
  6. Step 6: Final answer
    x = 5,942.22

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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.