Home / 4,339.07-6,507.78-2,115.67

Finding the Fourth Proportional to 4,339.07, 6,507.78 and 2,115.67

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Solution

The fourth proportional to 4,339.07, 6,507.78 and 2,115.67 is: 3,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.07 : 6,507.78 = 2,115.67 : x
  2. Step 2: Convert to fraction form
    4,339.07/6,507.78 = 2,115.67/x
  3. Step 3: Cross multiply
    4,339.07x = 6,507.78 × 2,115.67
  4. Step 4: Simplify right side
    4,339.07x = 13,768,298.64
  5. Step 5: Solve for x
    x = 13,768,298.64/4,339.07
  6. Step 6: Final answer
    x = 3,173.10

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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.