Home / 7,618.02-11,421.54-3,455.94

Finding the Fourth Proportional to 7,618.02, 11,421.54 and 3,455.94

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Solution

The fourth proportional to 7,618.02, 11,421.54 and 3,455.94 is: 5,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.02 : 11,421.54 = 3,455.94 : x
  2. Step 2: Convert to fraction form
    7,618.02/11,421.54 = 3,455.94/x
  3. Step 3: Cross multiply
    7,618.02x = 11,421.54 × 3,455.94
  4. Step 4: Simplify right side
    7,618.02x = 39,472,156.95
  5. Step 5: Solve for x
    x = 39,472,156.95/7,618.02
  6. Step 6: Final answer
    x = 5,181.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.