Home / 4,653.16-6,423.78-3,953.32

Finding the Fourth Proportional to 4,653.16, 6,423.78 and 3,953.32

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Solution

The fourth proportional to 4,653.16, 6,423.78 and 3,953.32 is: 5,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.16 : 6,423.78 = 3,953.32 : x
  2. Step 2: Convert to fraction form
    4,653.16/6,423.78 = 3,953.32/x
  3. Step 3: Cross multiply
    4,653.16x = 6,423.78 × 3,953.32
  4. Step 4: Simplify right side
    4,653.16x = 25,395,257.95
  5. Step 5: Solve for x
    x = 25,395,257.95/4,653.16
  6. Step 6: Final answer
    x = 5,457.64

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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.