Home / 7,507.60-11,263.80-2,580.40

Finding the Fourth Proportional to 7,507.60, 11,263.80 and 2,580.40

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Solution

The fourth proportional to 7,507.60, 11,263.80 and 2,580.40 is: 3,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.60 : 11,263.80 = 2,580.40 : x
  2. Step 2: Convert to fraction form
    7,507.60/11,263.80 = 2,580.40/x
  3. Step 3: Cross multiply
    7,507.60x = 11,263.80 × 2,580.40
  4. Step 4: Simplify right side
    7,507.60x = 29,065,109.52
  5. Step 5: Solve for x
    x = 29,065,109.52/7,507.60
  6. Step 6: Final answer
    x = 3,871.42

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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.