Home / 4,977.06-7,437.90-3,319.80

Finding the Fourth Proportional to 4,977.06, 7,437.90 and 3,319.80

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Solution

The fourth proportional to 4,977.06, 7,437.90 and 3,319.80 is: 4,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.06 : 7,437.90 = 3,319.80 : x
  2. Step 2: Convert to fraction form
    4,977.06/7,437.90 = 3,319.80/x
  3. Step 3: Cross multiply
    4,977.06x = 7,437.90 × 3,319.80
  4. Step 4: Simplify right side
    4,977.06x = 24,692,340.42
  5. Step 5: Solve for x
    x = 24,692,340.42/4,977.06
  6. Step 6: Final answer
    x = 4,961.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.