Home / 7,391.45-10,200.40-4,034.58

Finding the Fourth Proportional to 7,391.45, 10,200.40 and 4,034.58

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Solution

The fourth proportional to 7,391.45, 10,200.40 and 4,034.58 is: 5,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.45 : 10,200.40 = 4,034.58 : x
  2. Step 2: Convert to fraction form
    7,391.45/10,200.40 = 4,034.58/x
  3. Step 3: Cross multiply
    7,391.45x = 10,200.40 × 4,034.58
  4. Step 4: Simplify right side
    7,391.45x = 41,154,281.49
  5. Step 5: Solve for x
    x = 41,154,281.49/7,391.45
  6. Step 6: Final answer
    x = 5,567.82

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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.