Home / 7,646.20-11,461.14-3,261.40

Finding the Fourth Proportional to 7,646.20, 11,461.14 and 3,261.40

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Solution

The fourth proportional to 7,646.20, 11,461.14 and 3,261.40 is: 4,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.20 : 11,461.14 = 3,261.40 : x
  2. Step 2: Convert to fraction form
    7,646.20/11,461.14 = 3,261.40/x
  3. Step 3: Cross multiply
    7,646.20x = 11,461.14 × 3,261.40
  4. Step 4: Simplify right side
    7,646.20x = 37,379,362.00
  5. Step 5: Solve for x
    x = 37,379,362.00/7,646.20
  6. Step 6: Final answer
    x = 4,888.62

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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.