Home / 9,144.78-12,619.85-4,953.03

Finding the Fourth Proportional to 9,144.78, 12,619.85 and 4,953.03

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Solution

The fourth proportional to 9,144.78, 12,619.85 and 4,953.03 is: 6,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.78 : 12,619.85 = 4,953.03 : x
  2. Step 2: Convert to fraction form
    9,144.78/12,619.85 = 4,953.03/x
  3. Step 3: Cross multiply
    9,144.78x = 12,619.85 × 4,953.03
  4. Step 4: Simplify right side
    9,144.78x = 62,506,470.88
  5. Step 5: Solve for x
    x = 62,506,470.88/9,144.78
  6. Step 6: Final answer
    x = 6,835.21

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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.