Home / 4,391.16-6,588.48-2,639.46

Finding the Fourth Proportional to 4,391.16, 6,588.48 and 2,639.46

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Solution

The fourth proportional to 4,391.16, 6,588.48 and 2,639.46 is: 3,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.16 : 6,588.48 = 2,639.46 : x
  2. Step 2: Convert to fraction form
    4,391.16/6,588.48 = 2,639.46/x
  3. Step 3: Cross multiply
    4,391.16x = 6,588.48 × 2,639.46
  4. Step 4: Simplify right side
    4,391.16x = 17,390,029.42
  5. Step 5: Solve for x
    x = 17,390,029.42/4,391.16
  6. Step 6: Final answer
    x = 3,960.24

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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.