Home / 7,203.45-10,780.74-4,431.87

Finding the Fourth Proportional to 7,203.45, 10,780.74 and 4,431.87

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Solution

The fourth proportional to 7,203.45, 10,780.74 and 4,431.87 is: 6,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.45 : 10,780.74 = 4,431.87 : x
  2. Step 2: Convert to fraction form
    7,203.45/10,780.74 = 4,431.87/x
  3. Step 3: Cross multiply
    7,203.45x = 10,780.74 × 4,431.87
  4. Step 4: Simplify right side
    7,203.45x = 47,778,838.18
  5. Step 5: Solve for x
    x = 47,778,838.18/7,203.45
  6. Step 6: Final answer
    x = 6,632.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.