Home / 9,172.81-13,751.45-3,630.07

Finding the Fourth Proportional to 9,172.81, 13,751.45 and 3,630.07

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Solution

The fourth proportional to 9,172.81, 13,751.45 and 3,630.07 is: 5,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.81 : 13,751.45 = 3,630.07 : x
  2. Step 2: Convert to fraction form
    9,172.81/13,751.45 = 3,630.07/x
  3. Step 3: Cross multiply
    9,172.81x = 13,751.45 × 3,630.07
  4. Step 4: Simplify right side
    9,172.81x = 49,918,639.19
  5. Step 5: Solve for x
    x = 49,918,639.19/9,172.81
  6. Step 6: Final answer
    x = 5,442.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.