Home / 6,319.40-9,465.42-4,121.46

Finding the Fourth Proportional to 6,319.40, 9,465.42 and 4,121.46

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Solution

The fourth proportional to 6,319.40, 9,465.42 and 4,121.46 is: 6,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.40 : 9,465.42 = 4,121.46 : x
  2. Step 2: Convert to fraction form
    6,319.40/9,465.42 = 4,121.46/x
  3. Step 3: Cross multiply
    6,319.40x = 9,465.42 × 4,121.46
  4. Step 4: Simplify right side
    6,319.40x = 39,011,349.91
  5. Step 5: Solve for x
    x = 39,011,349.91/6,319.40
  6. Step 6: Final answer
    x = 6,173.27

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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.