Home / 7,455.85-11,185.12-3,070.91

Finding the Fourth Proportional to 7,455.85, 11,185.12 and 3,070.91

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Solution

The fourth proportional to 7,455.85, 11,185.12 and 3,070.91 is: 4,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.85 : 11,185.12 = 3,070.91 : x
  2. Step 2: Convert to fraction form
    7,455.85/11,185.12 = 3,070.91/x
  3. Step 3: Cross multiply
    7,455.85x = 11,185.12 × 3,070.91
  4. Step 4: Simplify right side
    7,455.85x = 34,348,528.66
  5. Step 5: Solve for x
    x = 34,348,528.66/7,455.85
  6. Step 6: Final answer
    x = 4,606.92

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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.