Home / 4,455.84-6,145.56-4,157.76

Finding the Fourth Proportional to 4,455.84, 6,145.56 and 4,157.76

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Solution

The fourth proportional to 4,455.84, 6,145.56 and 4,157.76 is: 5,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.84 : 6,145.56 = 4,157.76 : x
  2. Step 2: Convert to fraction form
    4,455.84/6,145.56 = 4,157.76/x
  3. Step 3: Cross multiply
    4,455.84x = 6,145.56 × 4,157.76
  4. Step 4: Simplify right side
    4,455.84x = 25,551,763.55
  5. Step 5: Solve for x
    x = 25,551,763.55/4,455.84
  6. Step 6: Final answer
    x = 5,734.44

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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.