Home / 9,129.04-12,597.87-5,150.05

Finding the Fourth Proportional to 9,129.04, 12,597.87 and 5,150.05

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Solution

The fourth proportional to 9,129.04, 12,597.87 and 5,150.05 is: 7,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.04 : 12,597.87 = 5,150.05 : x
  2. Step 2: Convert to fraction form
    9,129.04/12,597.87 = 5,150.05/x
  3. Step 3: Cross multiply
    9,129.04x = 12,597.87 × 5,150.05
  4. Step 4: Simplify right side
    9,129.04x = 64,879,660.39
  5. Step 5: Solve for x
    x = 64,879,660.39/9,129.04
  6. Step 6: Final answer
    x = 7,106.95

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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.