Home / 4,777.80-6,590.90-3,100.13

Finding the Fourth Proportional to 4,777.80, 6,590.90 and 3,100.13

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Solution

The fourth proportional to 4,777.80, 6,590.90 and 3,100.13 is: 4,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.80 : 6,590.90 = 3,100.13 : x
  2. Step 2: Convert to fraction form
    4,777.80/6,590.90 = 3,100.13/x
  3. Step 3: Cross multiply
    4,777.80x = 6,590.90 × 3,100.13
  4. Step 4: Simplify right side
    4,777.80x = 20,432,644.42
  5. Step 5: Solve for x
    x = 20,432,644.42/4,777.80
  6. Step 6: Final answer
    x = 4,276.58

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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.