Home / 7,860.65-10,847.90-4,323.85

Finding the Fourth Proportional to 7,860.65, 10,847.90 and 4,323.85

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Solution

The fourth proportional to 7,860.65, 10,847.90 and 4,323.85 is: 5,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.65 : 10,847.90 = 4,323.85 : x
  2. Step 2: Convert to fraction form
    7,860.65/10,847.90 = 4,323.85/x
  3. Step 3: Cross multiply
    7,860.65x = 10,847.90 × 4,323.85
  4. Step 4: Simplify right side
    7,860.65x = 46,904,676.10
  5. Step 5: Solve for x
    x = 46,904,676.10/7,860.65
  6. Step 6: Final answer
    x = 5,967.03

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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.