Home / 8,924.13-12,315.21-4,891.01

Finding the Fourth Proportional to 8,924.13, 12,315.21 and 4,891.01

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Solution

The fourth proportional to 8,924.13, 12,315.21 and 4,891.01 is: 6,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.13 : 12,315.21 = 4,891.01 : x
  2. Step 2: Convert to fraction form
    8,924.13/12,315.21 = 4,891.01/x
  3. Step 3: Cross multiply
    8,924.13x = 12,315.21 × 4,891.01
  4. Step 4: Simplify right side
    8,924.13x = 60,233,753.69
  5. Step 5: Solve for x
    x = 60,233,753.69/8,924.13
  6. Step 6: Final answer
    x = 6,749.54

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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.