Home / 7,655.40-11,483.46-2,725.08

Finding the Fourth Proportional to 7,655.40, 11,483.46 and 2,725.08

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Solution

The fourth proportional to 7,655.40, 11,483.46 and 2,725.08 is: 4,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.40 : 11,483.46 = 2,725.08 : x
  2. Step 2: Convert to fraction form
    7,655.40/11,483.46 = 2,725.08/x
  3. Step 3: Cross multiply
    7,655.40x = 11,483.46 × 2,725.08
  4. Step 4: Simplify right side
    7,655.40x = 31,293,347.18
  5. Step 5: Solve for x
    x = 31,293,347.18/7,655.40
  6. Step 6: Final answer
    x = 4,087.75

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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.