Home / 9,077.53-13,618.12-4,145.85

Finding the Fourth Proportional to 9,077.53, 13,618.12 and 4,145.85

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Solution

The fourth proportional to 9,077.53, 13,618.12 and 4,145.85 is: 6,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.53 : 13,618.12 = 4,145.85 : x
  2. Step 2: Convert to fraction form
    9,077.53/13,618.12 = 4,145.85/x
  3. Step 3: Cross multiply
    9,077.53x = 13,618.12 × 4,145.85
  4. Step 4: Simplify right side
    9,077.53x = 56,458,614.71
  5. Step 5: Solve for x
    x = 56,458,614.71/9,077.53
  6. Step 6: Final answer
    x = 6,219.60

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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.