Home / 4,959.40-7,436.68-2,457.69

Finding the Fourth Proportional to 4,959.40, 7,436.68 and 2,457.69

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Solution

The fourth proportional to 4,959.40, 7,436.68 and 2,457.69 is: 3,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.40 : 7,436.68 = 2,457.69 : x
  2. Step 2: Convert to fraction form
    4,959.40/7,436.68 = 2,457.69/x
  3. Step 3: Cross multiply
    4,959.40x = 7,436.68 × 2,457.69
  4. Step 4: Simplify right side
    4,959.40x = 18,277,054.07
  5. Step 5: Solve for x
    x = 18,277,054.07/4,959.40
  6. Step 6: Final answer
    x = 3,685.34

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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.