Home / 6,877.32-10,315.58-3,953.48

Finding the Fourth Proportional to 6,877.32, 10,315.58 and 3,953.48

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Solution

The fourth proportional to 6,877.32, 10,315.58 and 3,953.48 is: 5,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.32 : 10,315.58 = 3,953.48 : x
  2. Step 2: Convert to fraction form
    6,877.32/10,315.58 = 3,953.48/x
  3. Step 3: Cross multiply
    6,877.32x = 10,315.58 × 3,953.48
  4. Step 4: Simplify right side
    6,877.32x = 40,782,439.22
  5. Step 5: Solve for x
    x = 40,782,439.22/6,877.32
  6. Step 6: Final answer
    x = 5,929.99

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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.