Home / 4,915.99-6,790.55-3,642.45

Finding the Fourth Proportional to 4,915.99, 6,790.55 and 3,642.45

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Solution

The fourth proportional to 4,915.99, 6,790.55 and 3,642.45 is: 5,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.99 : 6,790.55 = 3,642.45 : x
  2. Step 2: Convert to fraction form
    4,915.99/6,790.55 = 3,642.45/x
  3. Step 3: Cross multiply
    4,915.99x = 6,790.55 × 3,642.45
  4. Step 4: Simplify right side
    4,915.99x = 24,734,247.95
  5. Step 5: Solve for x
    x = 24,734,247.95/4,915.99
  6. Step 6: Final answer
    x = 5,031.39

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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.