Home / 9,146.81-12,622.67-4,955.09

Finding the Fourth Proportional to 9,146.81, 12,622.67 and 4,955.09

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Solution

The fourth proportional to 9,146.81, 12,622.67 and 4,955.09 is: 6,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.81 : 12,622.67 = 4,955.09 : x
  2. Step 2: Convert to fraction form
    9,146.81/12,622.67 = 4,955.09/x
  3. Step 3: Cross multiply
    9,146.81x = 12,622.67 × 4,955.09
  4. Step 4: Simplify right side
    9,146.81x = 62,546,441.11
  5. Step 5: Solve for x
    x = 62,546,441.11/9,146.81
  6. Step 6: Final answer
    x = 6,838.06

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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.