Home / 5,005.48-7,507.95-2,540.23

Finding the Fourth Proportional to 5,005.48, 7,507.95 and 2,540.23

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Solution

The fourth proportional to 5,005.48, 7,507.95 and 2,540.23 is: 3,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.48 : 7,507.95 = 2,540.23 : x
  2. Step 2: Convert to fraction form
    5,005.48/7,507.95 = 2,540.23/x
  3. Step 3: Cross multiply
    5,005.48x = 7,507.95 × 2,540.23
  4. Step 4: Simplify right side
    5,005.48x = 19,071,933.76
  5. Step 5: Solve for x
    x = 19,071,933.76/5,005.48
  6. Step 6: Final answer
    x = 3,810.21

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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.