Home / 9,146.40-12,621.90-4,954.62

Finding the Fourth Proportional to 9,146.40, 12,621.90 and 4,954.62

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Solution

The fourth proportional to 9,146.40, 12,621.90 and 4,954.62 is: 6,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.40 : 12,621.90 = 4,954.62 : x
  2. Step 2: Convert to fraction form
    9,146.40/12,621.90 = 4,954.62/x
  3. Step 3: Cross multiply
    9,146.40x = 12,621.90 × 4,954.62
  4. Step 4: Simplify right side
    9,146.40x = 62,536,718.18
  5. Step 5: Solve for x
    x = 62,536,718.18/9,146.40
  6. Step 6: Final answer
    x = 6,837.30

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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.