Home / 7,742.52-10,684.85-4,756.64

Finding the Fourth Proportional to 7,742.52, 10,684.85 and 4,756.64

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Solution

The fourth proportional to 7,742.52, 10,684.85 and 4,756.64 is: 6,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.52 : 10,684.85 = 4,756.64 : x
  2. Step 2: Convert to fraction form
    7,742.52/10,684.85 = 4,756.64/x
  3. Step 3: Cross multiply
    7,742.52x = 10,684.85 × 4,756.64
  4. Step 4: Simplify right side
    7,742.52x = 50,823,907.70
  5. Step 5: Solve for x
    x = 50,823,907.70/7,742.52
  6. Step 6: Final answer
    x = 6,564.26

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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.