Home / 4,930.07-7,396.28-1,643.19

Finding the Fourth Proportional to 4,930.07, 7,396.28 and 1,643.19

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Solution

The fourth proportional to 4,930.07, 7,396.28 and 1,643.19 is: 2,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.07 : 7,396.28 = 1,643.19 : x
  2. Step 2: Convert to fraction form
    4,930.07/7,396.28 = 1,643.19/x
  3. Step 3: Cross multiply
    4,930.07x = 7,396.28 × 1,643.19
  4. Step 4: Simplify right side
    4,930.07x = 12,153,485.12
  5. Step 5: Solve for x
    x = 12,153,485.12/4,930.07
  6. Step 6: Final answer
    x = 2,465.18

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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.