Home / 9,146.28-12,621.90-4,954.52

Finding the Fourth Proportional to 9,146.28, 12,621.90 and 4,954.52

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Solution

The fourth proportional to 9,146.28, 12,621.90 and 4,954.52 is: 6,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.28 : 12,621.90 = 4,954.52 : x
  2. Step 2: Convert to fraction form
    9,146.28/12,621.90 = 4,954.52/x
  3. Step 3: Cross multiply
    9,146.28x = 12,621.90 × 4,954.52
  4. Step 4: Simplify right side
    9,146.28x = 62,535,455.99
  5. Step 5: Solve for x
    x = 62,535,455.99/9,146.28
  6. Step 6: Final answer
    x = 6,837.26

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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.