Home / 9,145.19-12,626.45-5,614.50

Finding the Fourth Proportional to 9,145.19, 12,626.45 and 5,614.50

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Solution

The fourth proportional to 9,145.19, 12,626.45 and 5,614.50 is: 7,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.19 : 12,626.45 = 5,614.50 : x
  2. Step 2: Convert to fraction form
    9,145.19/12,626.45 = 5,614.50/x
  3. Step 3: Cross multiply
    9,145.19x = 12,626.45 × 5,614.50
  4. Step 4: Simplify right side
    9,145.19x = 70,891,203.53
  5. Step 5: Solve for x
    x = 70,891,203.53/9,145.19
  6. Step 6: Final answer
    x = 7,751.75

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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.