Home / 6,260.24-8,639.56-3,608.40

Finding the Fourth Proportional to 6,260.24, 8,639.56 and 3,608.40

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Solution

The fourth proportional to 6,260.24, 8,639.56 and 3,608.40 is: 4,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.24 : 8,639.56 = 3,608.40 : x
  2. Step 2: Convert to fraction form
    6,260.24/8,639.56 = 3,608.40/x
  3. Step 3: Cross multiply
    6,260.24x = 8,639.56 × 3,608.40
  4. Step 4: Simplify right side
    6,260.24x = 31,174,988.30
  5. Step 5: Solve for x
    x = 31,174,988.30/6,260.24
  6. Step 6: Final answer
    x = 4,979.84

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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.