Home / 7,438.07-10,264.20-4,080.81

Finding the Fourth Proportional to 7,438.07, 10,264.20 and 4,080.81

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Solution

The fourth proportional to 7,438.07, 10,264.20 and 4,080.81 is: 5,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.07 : 10,264.20 = 4,080.81 : x
  2. Step 2: Convert to fraction form
    7,438.07/10,264.20 = 4,080.81/x
  3. Step 3: Cross multiply
    7,438.07x = 10,264.20 × 4,080.81
  4. Step 4: Simplify right side
    7,438.07x = 41,886,250.00
  5. Step 5: Solve for x
    x = 41,886,250.00/7,438.07
  6. Step 6: Final answer
    x = 5,631.33

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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.