Home / 9,146.20-12,621.75-4,954.45

Finding the Fourth Proportional to 9,146.20, 12,621.75 and 4,954.45

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Solution

The fourth proportional to 9,146.20, 12,621.75 and 4,954.45 is: 6,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.20 : 12,621.75 = 4,954.45 : x
  2. Step 2: Convert to fraction form
    9,146.20/12,621.75 = 4,954.45/x
  3. Step 3: Cross multiply
    9,146.20x = 12,621.75 × 4,954.45
  4. Step 4: Simplify right side
    9,146.20x = 62,533,829.29
  5. Step 5: Solve for x
    x = 62,533,829.29/9,146.20
  6. Step 6: Final answer
    x = 6,837.14

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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.