Home / 9,154.03-12,632.46-5,120.80

Finding the Fourth Proportional to 9,154.03, 12,632.46 and 5,120.80

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Solution

The fourth proportional to 9,154.03, 12,632.46 and 5,120.80 is: 7,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.03 : 12,632.46 = 5,120.80 : x
  2. Step 2: Convert to fraction form
    9,154.03/12,632.46 = 5,120.80/x
  3. Step 3: Cross multiply
    9,154.03x = 12,632.46 × 5,120.80
  4. Step 4: Simplify right side
    9,154.03x = 64,688,301.17
  5. Step 5: Solve for x
    x = 64,688,301.17/9,154.03
  6. Step 6: Final answer
    x = 7,066.65

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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.