Home / 7,039.42-10,562.80-5,107.56

Finding the Fourth Proportional to 7,039.42, 10,562.80 and 5,107.56

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Solution

The fourth proportional to 7,039.42, 10,562.80 and 5,107.56 is: 7,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.42 : 10,562.80 = 5,107.56 : x
  2. Step 2: Convert to fraction form
    7,039.42/10,562.80 = 5,107.56/x
  3. Step 3: Cross multiply
    7,039.42x = 10,562.80 × 5,107.56
  4. Step 4: Simplify right side
    7,039.42x = 53,950,134.77
  5. Step 5: Solve for x
    x = 53,950,134.77/7,039.42
  6. Step 6: Final answer
    x = 7,664.00

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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.