Home / 5,248.21-7,862.04-2,779.63

Finding the Fourth Proportional to 5,248.21, 7,862.04 and 2,779.63

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Solution

The fourth proportional to 5,248.21, 7,862.04 and 2,779.63 is: 4,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.21 : 7,862.04 = 2,779.63 : x
  2. Step 2: Convert to fraction form
    5,248.21/7,862.04 = 2,779.63/x
  3. Step 3: Cross multiply
    5,248.21x = 7,862.04 × 2,779.63
  4. Step 4: Simplify right side
    5,248.21x = 21,853,562.25
  5. Step 5: Solve for x
    x = 21,853,562.25/5,248.21
  6. Step 6: Final answer
    x = 4,164.00

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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.