Home / 7,354.12-10,148.88-4,211.32

Finding the Fourth Proportional to 7,354.12, 10,148.88 and 4,211.32

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Solution

The fourth proportional to 7,354.12, 10,148.88 and 4,211.32 is: 5,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.12 : 10,148.88 = 4,211.32 : x
  2. Step 2: Convert to fraction form
    7,354.12/10,148.88 = 4,211.32/x
  3. Step 3: Cross multiply
    7,354.12x = 10,148.88 × 4,211.32
  4. Step 4: Simplify right side
    7,354.12x = 42,740,181.32
  5. Step 5: Solve for x
    x = 42,740,181.32/7,354.12
  6. Step 6: Final answer
    x = 5,811.73

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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.