Home / 5,413.03-8,119.59-1,715.28

Finding the Fourth Proportional to 5,413.03, 8,119.59 and 1,715.28

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Solution

The fourth proportional to 5,413.03, 8,119.59 and 1,715.28 is: 2,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.03 : 8,119.59 = 1,715.28 : x
  2. Step 2: Convert to fraction form
    5,413.03/8,119.59 = 1,715.28/x
  3. Step 3: Cross multiply
    5,413.03x = 8,119.59 × 1,715.28
  4. Step 4: Simplify right side
    5,413.03x = 13,927,370.34
  5. Step 5: Solve for x
    x = 13,927,370.34/5,413.03
  6. Step 6: Final answer
    x = 2,572.93

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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.