Home / 8,913.89-12,301.04-4,934.99

Finding the Fourth Proportional to 8,913.89, 12,301.04 and 4,934.99

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Solution

The fourth proportional to 8,913.89, 12,301.04 and 4,934.99 is: 6,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.89 : 12,301.04 = 4,934.99 : x
  2. Step 2: Convert to fraction form
    8,913.89/12,301.04 = 4,934.99/x
  3. Step 3: Cross multiply
    8,913.89x = 12,301.04 × 4,934.99
  4. Step 4: Simplify right side
    8,913.89x = 60,705,423.21
  5. Step 5: Solve for x
    x = 60,705,423.21/8,913.89
  6. Step 6: Final answer
    x = 6,810.21

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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.