Home / 7,756.57-10,704.85-4,570.86

Finding the Fourth Proportional to 7,756.57, 10,704.85 and 4,570.86

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Solution

The fourth proportional to 7,756.57, 10,704.85 and 4,570.86 is: 6,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.57 : 10,704.85 = 4,570.86 : x
  2. Step 2: Convert to fraction form
    7,756.57/10,704.85 = 4,570.86/x
  3. Step 3: Cross multiply
    7,756.57x = 10,704.85 × 4,570.86
  4. Step 4: Simplify right side
    7,756.57x = 48,930,331.56
  5. Step 5: Solve for x
    x = 48,930,331.56/7,756.57
  6. Step 6: Final answer
    x = 6,308.25

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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.