Home / 7,283.40-10,908.69-4,355.57

Finding the Fourth Proportional to 7,283.40, 10,908.69 and 4,355.57

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Solution

The fourth proportional to 7,283.40, 10,908.69 and 4,355.57 is: 6,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.40 : 10,908.69 = 4,355.57 : x
  2. Step 2: Convert to fraction form
    7,283.40/10,908.69 = 4,355.57/x
  3. Step 3: Cross multiply
    7,283.40x = 10,908.69 × 4,355.57
  4. Step 4: Simplify right side
    7,283.40x = 47,513,508.36
  5. Step 5: Solve for x
    x = 47,513,508.36/7,283.40
  6. Step 6: Final answer
    x = 6,523.53

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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.