Home / 7,860.32-10,847.50-4,323.80

Finding the Fourth Proportional to 7,860.32, 10,847.50 and 4,323.80

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Solution

The fourth proportional to 7,860.32, 10,847.50 and 4,323.80 is: 5,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.32 : 10,847.50 = 4,323.80 : x
  2. Step 2: Convert to fraction form
    7,860.32/10,847.50 = 4,323.80/x
  3. Step 3: Cross multiply
    7,860.32x = 10,847.50 × 4,323.80
  4. Step 4: Simplify right side
    7,860.32x = 46,902,420.50
  5. Step 5: Solve for x
    x = 46,902,420.50/7,860.32
  6. Step 6: Final answer
    x = 5,966.99

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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.