Home / 7,507.31-11,259.23-2,827.80

Finding the Fourth Proportional to 7,507.31, 11,259.23 and 2,827.80

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Solution

The fourth proportional to 7,507.31, 11,259.23 and 2,827.80 is: 4,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.31 : 11,259.23 = 2,827.80 : x
  2. Step 2: Convert to fraction form
    7,507.31/11,259.23 = 2,827.80/x
  3. Step 3: Cross multiply
    7,507.31x = 11,259.23 × 2,827.80
  4. Step 4: Simplify right side
    7,507.31x = 31,838,836.46
  5. Step 5: Solve for x
    x = 31,838,836.46/7,507.31
  6. Step 6: Final answer
    x = 4,241.05

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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.