Home / 6,878.25-10,312.47-4,903.92

Finding the Fourth Proportional to 6,878.25, 10,312.47 and 4,903.92

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Solution

The fourth proportional to 6,878.25, 10,312.47 and 4,903.92 is: 7,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.25 : 10,312.47 = 4,903.92 : x
  2. Step 2: Convert to fraction form
    6,878.25/10,312.47 = 4,903.92/x
  3. Step 3: Cross multiply
    6,878.25x = 10,312.47 × 4,903.92
  4. Step 4: Simplify right side
    6,878.25x = 50,571,527.88
  5. Step 5: Solve for x
    x = 50,571,527.88/6,878.25
  6. Step 6: Final answer
    x = 7,352.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.