Home / 8,913.18-12,300.03-4,934.20

Finding the Fourth Proportional to 8,913.18, 12,300.03 and 4,934.20

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Solution

The fourth proportional to 8,913.18, 12,300.03 and 4,934.20 is: 6,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.18 : 12,300.03 = 4,934.20 : x
  2. Step 2: Convert to fraction form
    8,913.18/12,300.03 = 4,934.20/x
  3. Step 3: Cross multiply
    8,913.18x = 12,300.03 × 4,934.20
  4. Step 4: Simplify right side
    8,913.18x = 60,690,808.03
  5. Step 5: Solve for x
    x = 60,690,808.03/8,913.18
  6. Step 6: Final answer
    x = 6,809.11

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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.