Home / 6,270.74-8,650.56-5,275.66

Finding the Fourth Proportional to 6,270.74, 8,650.56 and 5,275.66

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Solution

The fourth proportional to 6,270.74, 8,650.56 and 5,275.66 is: 7,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.74 : 8,650.56 = 5,275.66 : x
  2. Step 2: Convert to fraction form
    6,270.74/8,650.56 = 5,275.66/x
  3. Step 3: Cross multiply
    6,270.74x = 8,650.56 × 5,275.66
  4. Step 4: Simplify right side
    6,270.74x = 45,637,413.37
  5. Step 5: Solve for x
    x = 45,637,413.37/6,270.74
  6. Step 6: Final answer
    x = 7,277.84

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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.