Home / 5,008.02-7,509.78-2,667.51

Finding the Fourth Proportional to 5,008.02, 7,509.78 and 2,667.51

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Solution

The fourth proportional to 5,008.02, 7,509.78 and 2,667.51 is: 4,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.02 : 7,509.78 = 2,667.51 : x
  2. Step 2: Convert to fraction form
    5,008.02/7,509.78 = 2,667.51/x
  3. Step 3: Cross multiply
    5,008.02x = 7,509.78 × 2,667.51
  4. Step 4: Simplify right side
    5,008.02x = 20,032,413.25
  5. Step 5: Solve for x
    x = 20,032,413.25/5,008.02
  6. Step 6: Final answer
    x = 4,000.07

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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.