Home / 7,280.07-10,043.39-4,757.81

Finding the Fourth Proportional to 7,280.07, 10,043.39 and 4,757.81

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Solution

The fourth proportional to 7,280.07, 10,043.39 and 4,757.81 is: 6,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.07 : 10,043.39 = 4,757.81 : x
  2. Step 2: Convert to fraction form
    7,280.07/10,043.39 = 4,757.81/x
  3. Step 3: Cross multiply
    7,280.07x = 10,043.39 × 4,757.81
  4. Step 4: Simplify right side
    7,280.07x = 47,784,467.37
  5. Step 5: Solve for x
    x = 47,784,467.37/7,280.07
  6. Step 6: Final answer
    x = 6,563.74

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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.