Home / 4,851.90-7,281.45-1,932.30

Finding the Fourth Proportional to 4,851.90, 7,281.45 and 1,932.30

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Solution

The fourth proportional to 4,851.90, 7,281.45 and 1,932.30 is: 2,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.90 : 7,281.45 = 1,932.30 : x
  2. Step 2: Convert to fraction form
    4,851.90/7,281.45 = 1,932.30/x
  3. Step 3: Cross multiply
    4,851.90x = 7,281.45 × 1,932.30
  4. Step 4: Simplify right side
    4,851.90x = 14,069,945.84
  5. Step 5: Solve for x
    x = 14,069,945.84/4,851.90
  6. Step 6: Final answer
    x = 2,899.88

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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.