Home / 4,780.80-6,598.32-3,012.98

Finding the Fourth Proportional to 4,780.80, 6,598.32 and 3,012.98

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Solution

The fourth proportional to 4,780.80, 6,598.32 and 3,012.98 is: 4,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.80 : 6,598.32 = 3,012.98 : x
  2. Step 2: Convert to fraction form
    4,780.80/6,598.32 = 3,012.98/x
  3. Step 3: Cross multiply
    4,780.80x = 6,598.32 × 3,012.98
  4. Step 4: Simplify right side
    4,780.80x = 19,880,606.19
  5. Step 5: Solve for x
    x = 19,880,606.19/4,780.80
  6. Step 6: Final answer
    x = 4,158.43

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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.