Home / 4,455.28-6,153.04-3,966.64

Finding the Fourth Proportional to 4,455.28, 6,153.04 and 3,966.64

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Solution

The fourth proportional to 4,455.28, 6,153.04 and 3,966.64 is: 5,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.28 : 6,153.04 = 3,966.64 : x
  2. Step 2: Convert to fraction form
    4,455.28/6,153.04 = 3,966.64/x
  3. Step 3: Cross multiply
    4,455.28x = 6,153.04 × 3,966.64
  4. Step 4: Simplify right side
    4,455.28x = 24,406,894.59
  5. Step 5: Solve for x
    x = 24,406,894.59/4,455.28
  6. Step 6: Final answer
    x = 5,478.20

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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.