Home / 9,099.73-12,557.04-5,120.95

Finding the Fourth Proportional to 9,099.73, 12,557.04 and 5,120.95

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Solution

The fourth proportional to 9,099.73, 12,557.04 and 5,120.95 is: 7,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.73 : 12,557.04 = 5,120.95 : x
  2. Step 2: Convert to fraction form
    9,099.73/12,557.04 = 5,120.95/x
  3. Step 3: Cross multiply
    9,099.73x = 12,557.04 × 5,120.95
  4. Step 4: Simplify right side
    9,099.73x = 64,303,973.99
  5. Step 5: Solve for x
    x = 64,303,973.99/9,099.73
  6. Step 6: Final answer
    x = 7,066.58

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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.