Home / 7,565.21-10,439.38-4,208.03

Finding the Fourth Proportional to 7,565.21, 10,439.38 and 4,208.03

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Solution

The fourth proportional to 7,565.21, 10,439.38 and 4,208.03 is: 5,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.21 : 10,439.38 = 4,208.03 : x
  2. Step 2: Convert to fraction form
    7,565.21/10,439.38 = 4,208.03/x
  3. Step 3: Cross multiply
    7,565.21x = 10,439.38 × 4,208.03
  4. Step 4: Simplify right side
    7,565.21x = 43,929,224.22
  5. Step 5: Solve for x
    x = 43,929,224.22/7,565.21
  6. Step 6: Final answer
    x = 5,806.74

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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.