Home / 4,885.90-7,332.45-1,966.30

Finding the Fourth Proportional to 4,885.90, 7,332.45 and 1,966.30

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Solution

The fourth proportional to 4,885.90, 7,332.45 and 1,966.30 is: 2,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.90 : 7,332.45 = 1,966.30 : x
  2. Step 2: Convert to fraction form
    4,885.90/7,332.45 = 1,966.30/x
  3. Step 3: Cross multiply
    4,885.90x = 7,332.45 × 1,966.30
  4. Step 4: Simplify right side
    4,885.90x = 14,417,796.44
  5. Step 5: Solve for x
    x = 14,417,796.44/4,885.90
  6. Step 6: Final answer
    x = 2,950.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.