Home / 7,657.75-10,563.60-5,135.52

Finding the Fourth Proportional to 7,657.75, 10,563.60 and 5,135.52

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Solution

The fourth proportional to 7,657.75, 10,563.60 and 5,135.52 is: 7,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.75 : 10,563.60 = 5,135.52 : x
  2. Step 2: Convert to fraction form
    7,657.75/10,563.60 = 5,135.52/x
  3. Step 3: Cross multiply
    7,657.75x = 10,563.60 × 5,135.52
  4. Step 4: Simplify right side
    7,657.75x = 54,249,579.07
  5. Step 5: Solve for x
    x = 54,249,579.07/7,657.75
  6. Step 6: Final answer
    x = 7,084.27

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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.