Home / 6,275.80-9,413.70-3,165.40

Finding the Fourth Proportional to 6,275.80, 9,413.70 and 3,165.40

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Solution

The fourth proportional to 6,275.80, 9,413.70 and 3,165.40 is: 4,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.80 : 9,413.70 = 3,165.40 : x
  2. Step 2: Convert to fraction form
    6,275.80/9,413.70 = 3,165.40/x
  3. Step 3: Cross multiply
    6,275.80x = 9,413.70 × 3,165.40
  4. Step 4: Simplify right side
    6,275.80x = 29,798,125.98
  5. Step 5: Solve for x
    x = 29,798,125.98/6,275.80
  6. Step 6: Final answer
    x = 4,748.10

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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.