Home / 7,317.64-10,977.18-3,158.92

Finding the Fourth Proportional to 7,317.64, 10,977.18 and 3,158.92

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Solution

The fourth proportional to 7,317.64, 10,977.18 and 3,158.92 is: 4,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.64 : 10,977.18 = 3,158.92 : x
  2. Step 2: Convert to fraction form
    7,317.64/10,977.18 = 3,158.92/x
  3. Step 3: Cross multiply
    7,317.64x = 10,977.18 × 3,158.92
  4. Step 4: Simplify right side
    7,317.64x = 34,676,033.45
  5. Step 5: Solve for x
    x = 34,676,033.45/7,317.64
  6. Step 6: Final answer
    x = 4,738.69

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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.