Home / 7,317.42-10,977.27-2,385.91

Finding the Fourth Proportional to 7,317.42, 10,977.27 and 2,385.91

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Solution

The fourth proportional to 7,317.42, 10,977.27 and 2,385.91 is: 3,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.42 : 10,977.27 = 2,385.91 : x
  2. Step 2: Convert to fraction form
    7,317.42/10,977.27 = 2,385.91/x
  3. Step 3: Cross multiply
    7,317.42x = 10,977.27 × 2,385.91
  4. Step 4: Simplify right side
    7,317.42x = 26,190,778.27
  5. Step 5: Solve for x
    x = 26,190,778.27/7,317.42
  6. Step 6: Final answer
    x = 3,579.24

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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.