Home / 7,846.40-10,832.16-4,860.80

Finding the Fourth Proportional to 7,846.40, 10,832.16 and 4,860.80

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Solution

The fourth proportional to 7,846.40, 10,832.16 and 4,860.80 is: 6,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.40 : 10,832.16 = 4,860.80 : x
  2. Step 2: Convert to fraction form
    7,846.40/10,832.16 = 4,860.80/x
  3. Step 3: Cross multiply
    7,846.40x = 10,832.16 × 4,860.80
  4. Step 4: Simplify right side
    7,846.40x = 52,652,963.33
  5. Step 5: Solve for x
    x = 52,652,963.33/7,846.40
  6. Step 6: Final answer
    x = 6,710.46

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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.