Home / 4,930.36-7,395.93-1,643.45

Finding the Fourth Proportional to 4,930.36, 7,395.93 and 1,643.45

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Solution

The fourth proportional to 4,930.36, 7,395.93 and 1,643.45 is: 2,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.36 : 7,395.93 = 1,643.45 : x
  2. Step 2: Convert to fraction form
    4,930.36/7,395.93 = 1,643.45/x
  3. Step 3: Cross multiply
    4,930.36x = 7,395.93 × 1,643.45
  4. Step 4: Simplify right side
    4,930.36x = 12,154,860.80
  5. Step 5: Solve for x
    x = 12,154,860.80/4,930.36
  6. Step 6: Final answer
    x = 2,465.31

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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.