Home / 7,407.45-10,222.41-4,423.55

Finding the Fourth Proportional to 7,407.45, 10,222.41 and 4,423.55

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Solution

The fourth proportional to 7,407.45, 10,222.41 and 4,423.55 is: 6,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.45 : 10,222.41 = 4,423.55 : x
  2. Step 2: Convert to fraction form
    7,407.45/10,222.41 = 4,423.55/x
  3. Step 3: Cross multiply
    7,407.45x = 10,222.41 × 4,423.55
  4. Step 4: Simplify right side
    7,407.45x = 45,219,290.64
  5. Step 5: Solve for x
    x = 45,219,290.64/7,407.45
  6. Step 6: Final answer
    x = 6,104.57

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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.