Home / 4,475.34-6,178.55-2,988.18

Finding the Fourth Proportional to 4,475.34, 6,178.55 and 2,988.18

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Solution

The fourth proportional to 4,475.34, 6,178.55 and 2,988.18 is: 4,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.34 : 6,178.55 = 2,988.18 : x
  2. Step 2: Convert to fraction form
    4,475.34/6,178.55 = 2,988.18/x
  3. Step 3: Cross multiply
    4,475.34x = 6,178.55 × 2,988.18
  4. Step 4: Simplify right side
    4,475.34x = 18,462,604.60
  5. Step 5: Solve for x
    x = 18,462,604.60/4,475.34
  6. Step 6: Final answer
    x = 4,125.41

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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.