Home / 7,029.15-9,704.70-4,380.45

Finding the Fourth Proportional to 7,029.15, 9,704.70 and 4,380.45

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Solution

The fourth proportional to 7,029.15, 9,704.70 and 4,380.45 is: 6,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.15 : 9,704.70 = 4,380.45 : x
  2. Step 2: Convert to fraction form
    7,029.15/9,704.70 = 4,380.45/x
  3. Step 3: Cross multiply
    7,029.15x = 9,704.70 × 4,380.45
  4. Step 4: Simplify right side
    7,029.15x = 42,510,953.12
  5. Step 5: Solve for x
    x = 42,510,953.12/7,029.15
  6. Step 6: Final answer
    x = 6,047.81

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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.