Home / 7,355.81-10,177.65-6,413.58

Finding the Fourth Proportional to 7,355.81, 10,177.65 and 6,413.58

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Solution

The fourth proportional to 7,355.81, 10,177.65 and 6,413.58 is: 8,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.81 : 10,177.65 = 6,413.58 : x
  2. Step 2: Convert to fraction form
    7,355.81/10,177.65 = 6,413.58/x
  3. Step 3: Cross multiply
    7,355.81x = 10,177.65 × 6,413.58
  4. Step 4: Simplify right side
    7,355.81x = 65,275,172.49
  5. Step 5: Solve for x
    x = 65,275,172.49/7,355.81
  6. Step 6: Final answer
    x = 8,873.96

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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.