Home / 7,480.08-10,322.07-4,336.20

Finding the Fourth Proportional to 7,480.08, 10,322.07 and 4,336.20

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Solution

The fourth proportional to 7,480.08, 10,322.07 and 4,336.20 is: 5,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.08 : 10,322.07 = 4,336.20 : x
  2. Step 2: Convert to fraction form
    7,480.08/10,322.07 = 4,336.20/x
  3. Step 3: Cross multiply
    7,480.08x = 10,322.07 × 4,336.20
  4. Step 4: Simplify right side
    7,480.08x = 44,758,559.93
  5. Step 5: Solve for x
    x = 44,758,559.93/7,480.08
  6. Step 6: Final answer
    x = 5,983.70

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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.