Home / 6,389.05-9,572.73-4,530.91

Finding the Fourth Proportional to 6,389.05, 9,572.73 and 4,530.91

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Solution

The fourth proportional to 6,389.05, 9,572.73 and 4,530.91 is: 6,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.05 : 9,572.73 = 4,530.91 : x
  2. Step 2: Convert to fraction form
    6,389.05/9,572.73 = 4,530.91/x
  3. Step 3: Cross multiply
    6,389.05x = 9,572.73 × 4,530.91
  4. Step 4: Simplify right side
    6,389.05x = 43,373,178.08
  5. Step 5: Solve for x
    x = 43,373,178.08/6,389.05
  6. Step 6: Final answer
    x = 6,788.67

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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.