Home / 9,975.59-13,765.20-5,725.52

Finding the Fourth Proportional to 9,975.59, 13,765.20 and 5,725.52

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Solution

The fourth proportional to 9,975.59, 13,765.20 and 5,725.52 is: 7,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.59 : 13,765.20 = 5,725.52 : x
  2. Step 2: Convert to fraction form
    9,975.59/13,765.20 = 5,725.52/x
  3. Step 3: Cross multiply
    9,975.59x = 13,765.20 × 5,725.52
  4. Step 4: Simplify right side
    9,975.59x = 78,812,927.90
  5. Step 5: Solve for x
    x = 78,812,927.90/9,975.59
  6. Step 6: Final answer
    x = 7,900.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.