Home / 8,908.20-12,293.40-4,929.24

Finding the Fourth Proportional to 8,908.20, 12,293.40 and 4,929.24

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Solution

The fourth proportional to 8,908.20, 12,293.40 and 4,929.24 is: 6,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.20 : 12,293.40 = 4,929.24 : x
  2. Step 2: Convert to fraction form
    8,908.20/12,293.40 = 4,929.24/x
  3. Step 3: Cross multiply
    8,908.20x = 12,293.40 × 4,929.24
  4. Step 4: Simplify right side
    8,908.20x = 60,597,119.02
  5. Step 5: Solve for x
    x = 60,597,119.02/8,908.20
  6. Step 6: Final answer
    x = 6,802.40

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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.