Home / 7,008.75-10,513.40-2,391.75

Finding the Fourth Proportional to 7,008.75, 10,513.40 and 2,391.75

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Solution

The fourth proportional to 7,008.75, 10,513.40 and 2,391.75 is: 3,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.75 : 10,513.40 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    7,008.75/10,513.40 = 2,391.75/x
  3. Step 3: Cross multiply
    7,008.75x = 10,513.40 × 2,391.75
  4. Step 4: Simplify right side
    7,008.75x = 25,145,412.49
  5. Step 5: Solve for x
    x = 25,145,412.49/7,008.75
  6. Step 6: Final answer
    x = 3,587.72

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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.