Home / 9,146.49-12,622.17-4,954.74

Finding the Fourth Proportional to 9,146.49, 12,622.17 and 4,954.74

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Solution

The fourth proportional to 9,146.49, 12,622.17 and 4,954.74 is: 6,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.49 : 12,622.17 = 4,954.74 : x
  2. Step 2: Convert to fraction form
    9,146.49/12,622.17 = 4,954.74/x
  3. Step 3: Cross multiply
    9,146.49x = 12,622.17 × 4,954.74
  4. Step 4: Simplify right side
    9,146.49x = 62,539,541.83
  5. Step 5: Solve for x
    x = 62,539,541.83/9,146.49
  6. Step 6: Final answer
    x = 6,837.55

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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.