Home / 4,904.20-6,770.28-2,915.40

Finding the Fourth Proportional to 4,904.20, 6,770.28 and 2,915.40

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Solution

The fourth proportional to 4,904.20, 6,770.28 and 2,915.40 is: 4,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.20 : 6,770.28 = 2,915.40 : x
  2. Step 2: Convert to fraction form
    4,904.20/6,770.28 = 2,915.40/x
  3. Step 3: Cross multiply
    4,904.20x = 6,770.28 × 2,915.40
  4. Step 4: Simplify right side
    4,904.20x = 19,738,074.31
  5. Step 5: Solve for x
    x = 19,738,074.31/4,904.20
  6. Step 6: Final answer
    x = 4,024.73

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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.