Home / 7,355.43-10,143.63-4,965.84

Finding the Fourth Proportional to 7,355.43, 10,143.63 and 4,965.84

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Solution

The fourth proportional to 7,355.43, 10,143.63 and 4,965.84 is: 6,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.43 : 10,143.63 = 4,965.84 : x
  2. Step 2: Convert to fraction form
    7,355.43/10,143.63 = 4,965.84/x
  3. Step 3: Cross multiply
    7,355.43x = 10,143.63 × 4,965.84
  4. Step 4: Simplify right side
    7,355.43x = 50,371,643.60
  5. Step 5: Solve for x
    x = 50,371,643.60/7,355.43
  6. Step 6: Final answer
    x = 6,848.23

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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.