Home / 6,643.18-9,166.63-3,810.67

Finding the Fourth Proportional to 6,643.18, 9,166.63 and 3,810.67

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Solution

The fourth proportional to 6,643.18, 9,166.63 and 3,810.67 is: 5,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.18 : 9,166.63 = 3,810.67 : x
  2. Step 2: Convert to fraction form
    6,643.18/9,166.63 = 3,810.67/x
  3. Step 3: Cross multiply
    6,643.18x = 9,166.63 × 3,810.67
  4. Step 4: Simplify right side
    6,643.18x = 34,931,001.94
  5. Step 5: Solve for x
    x = 34,931,001.94/6,643.18
  6. Step 6: Final answer
    x = 5,258.17

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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.