Home / 7,300.32-10,074.44-3,988.32

Finding the Fourth Proportional to 7,300.32, 10,074.44 and 3,988.32

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Solution

The fourth proportional to 7,300.32, 10,074.44 and 3,988.32 is: 5,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.32 : 10,074.44 = 3,988.32 : x
  2. Step 2: Convert to fraction form
    7,300.32/10,074.44 = 3,988.32/x
  3. Step 3: Cross multiply
    7,300.32x = 10,074.44 × 3,988.32
  4. Step 4: Simplify right side
    7,300.32x = 40,180,020.23
  5. Step 5: Solve for x
    x = 40,180,020.23/7,300.32
  6. Step 6: Final answer
    x = 5,503.87

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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.