Home / 8,440.53-11,639.32-5,082.67

Finding the Fourth Proportional to 8,440.53, 11,639.32 and 5,082.67

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Solution

The fourth proportional to 8,440.53, 11,639.32 and 5,082.67 is: 7,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.53 : 11,639.32 = 5,082.67 : x
  2. Step 2: Convert to fraction form
    8,440.53/11,639.32 = 5,082.67/x
  3. Step 3: Cross multiply
    8,440.53x = 11,639.32 × 5,082.67
  4. Step 4: Simplify right side
    8,440.53x = 59,158,822.58
  5. Step 5: Solve for x
    x = 59,158,822.58/8,440.53
  6. Step 6: Final answer
    x = 7,008.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.