Home / 7,634.42-10,535.88-4,649.78

Finding the Fourth Proportional to 7,634.42, 10,535.88 and 4,649.78

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Solution

The fourth proportional to 7,634.42, 10,535.88 and 4,649.78 is: 6,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.42 : 10,535.88 = 4,649.78 : x
  2. Step 2: Convert to fraction form
    7,634.42/10,535.88 = 4,649.78/x
  3. Step 3: Cross multiply
    7,634.42x = 10,535.88 × 4,649.78
  4. Step 4: Simplify right side
    7,634.42x = 48,989,471.43
  5. Step 5: Solve for x
    x = 48,989,471.43/7,634.42
  6. Step 6: Final answer
    x = 6,416.92

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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.