Home / 7,611.18-11,400.61-4,969.35

Finding the Fourth Proportional to 7,611.18, 11,400.61 and 4,969.35

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Solution

The fourth proportional to 7,611.18, 11,400.61 and 4,969.35 is: 7,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.18 : 11,400.61 = 4,969.35 : x
  2. Step 2: Convert to fraction form
    7,611.18/11,400.61 = 4,969.35/x
  3. Step 3: Cross multiply
    7,611.18x = 11,400.61 × 4,969.35
  4. Step 4: Simplify right side
    7,611.18x = 56,653,621.30
  5. Step 5: Solve for x
    x = 56,653,621.30/7,611.18
  6. Step 6: Final answer
    x = 7,443.47

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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.