Home / 4,382.36-6,560.58-2,645.72

Finding the Fourth Proportional to 4,382.36, 6,560.58 and 2,645.72

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Solution

The fourth proportional to 4,382.36, 6,560.58 and 2,645.72 is: 3,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.36 : 6,560.58 = 2,645.72 : x
  2. Step 2: Convert to fraction form
    4,382.36/6,560.58 = 2,645.72/x
  3. Step 3: Cross multiply
    4,382.36x = 6,560.58 × 2,645.72
  4. Step 4: Simplify right side
    4,382.36x = 17,357,457.72
  5. Step 5: Solve for x
    x = 17,357,457.72/4,382.36
  6. Step 6: Final answer
    x = 3,960.76

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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.