Home / 7,158.37-10,740.95-3,458.53

Finding the Fourth Proportional to 7,158.37, 10,740.95 and 3,458.53

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Solution

The fourth proportional to 7,158.37, 10,740.95 and 3,458.53 is: 5,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.37 : 10,740.95 = 3,458.53 : x
  2. Step 2: Convert to fraction form
    7,158.37/10,740.95 = 3,458.53/x
  3. Step 3: Cross multiply
    7,158.37x = 10,740.95 × 3,458.53
  4. Step 4: Simplify right side
    7,158.37x = 37,147,897.80
  5. Step 5: Solve for x
    x = 37,147,897.80/7,158.37
  6. Step 6: Final answer
    x = 5,189.44

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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.