Home / 7,618.28-10,513.60-4,633.60

Finding the Fourth Proportional to 7,618.28, 10,513.60 and 4,633.60

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Solution

The fourth proportional to 7,618.28, 10,513.60 and 4,633.60 is: 6,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.28 : 10,513.60 = 4,633.60 : x
  2. Step 2: Convert to fraction form
    7,618.28/10,513.60 = 4,633.60/x
  3. Step 3: Cross multiply
    7,618.28x = 10,513.60 × 4,633.60
  4. Step 4: Simplify right side
    7,618.28x = 48,715,816.96
  5. Step 5: Solve for x
    x = 48,715,816.96/7,618.28
  6. Step 6: Final answer
    x = 6,394.60

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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.