Home / 7,413.84-10,237.32-6,178.32

Finding the Fourth Proportional to 7,413.84, 10,237.32 and 6,178.32

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Solution

The fourth proportional to 7,413.84, 10,237.32 and 6,178.32 is: 8,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.84 : 10,237.32 = 6,178.32 : x
  2. Step 2: Convert to fraction form
    7,413.84/10,237.32 = 6,178.32/x
  3. Step 3: Cross multiply
    7,413.84x = 10,237.32 × 6,178.32
  4. Step 4: Simplify right side
    7,413.84x = 63,249,438.90
  5. Step 5: Solve for x
    x = 63,249,438.90/7,413.84
  6. Step 6: Final answer
    x = 8,531.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.