Home / 4,965.20-7,426.20-4,187.60

Finding the Fourth Proportional to 4,965.20, 7,426.20 and 4,187.60

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Solution

The fourth proportional to 4,965.20, 7,426.20 and 4,187.60 is: 6,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.20 : 7,426.20 = 4,187.60 : x
  2. Step 2: Convert to fraction form
    4,965.20/7,426.20 = 4,187.60/x
  3. Step 3: Cross multiply
    4,965.20x = 7,426.20 × 4,187.60
  4. Step 4: Simplify right side
    4,965.20x = 31,097,955.12
  5. Step 5: Solve for x
    x = 31,097,955.12/4,965.20
  6. Step 6: Final answer
    x = 6,263.18

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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.