Home / 4,820.65-6,644.80-3,934.93

Finding the Fourth Proportional to 4,820.65, 6,644.80 and 3,934.93

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Solution

The fourth proportional to 4,820.65, 6,644.80 and 3,934.93 is: 5,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.65 : 6,644.80 = 3,934.93 : x
  2. Step 2: Convert to fraction form
    4,820.65/6,644.80 = 3,934.93/x
  3. Step 3: Cross multiply
    4,820.65x = 6,644.80 × 3,934.93
  4. Step 4: Simplify right side
    4,820.65x = 26,146,822.86
  5. Step 5: Solve for x
    x = 26,146,822.86/4,820.65
  6. Step 6: Final answer
    x = 5,423.92

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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.