Home / 4,405.13-6,078.51-2,415.16

Finding the Fourth Proportional to 4,405.13, 6,078.51 and 2,415.16

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Solution

The fourth proportional to 4,405.13, 6,078.51 and 2,415.16 is: 3,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.13 : 6,078.51 = 2,415.16 : x
  2. Step 2: Convert to fraction form
    4,405.13/6,078.51 = 2,415.16/x
  3. Step 3: Cross multiply
    4,405.13x = 6,078.51 × 2,415.16
  4. Step 4: Simplify right side
    4,405.13x = 14,680,568.07
  5. Step 5: Solve for x
    x = 14,680,568.07/4,405.13
  6. Step 6: Final answer
    x = 3,332.61

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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.