Home / 4,720.57-7,077.36-2,378.86

Finding the Fourth Proportional to 4,720.57, 7,077.36 and 2,378.86

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Solution

The fourth proportional to 4,720.57, 7,077.36 and 2,378.86 is: 3,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.57 : 7,077.36 = 2,378.86 : x
  2. Step 2: Convert to fraction form
    4,720.57/7,077.36 = 2,378.86/x
  3. Step 3: Cross multiply
    4,720.57x = 7,077.36 × 2,378.86
  4. Step 4: Simplify right side
    4,720.57x = 16,836,048.61
  5. Step 5: Solve for x
    x = 16,836,048.61/4,720.57
  6. Step 6: Final answer
    x = 3,566.53

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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.