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Finding the Fourth Proportional to 6,510.09, 8,981.51 and 4,273.21

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Solution

The fourth proportional to 6,510.09, 8,981.51 and 4,273.21 is: 5,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.09 : 8,981.51 = 4,273.21 : x
  2. Step 2: Convert to fraction form
    6,510.09/8,981.51 = 4,273.21/x
  3. Step 3: Cross multiply
    6,510.09x = 8,981.51 × 4,273.21
  4. Step 4: Simplify right side
    6,510.09x = 38,379,878.35
  5. Step 5: Solve for x
    x = 38,379,878.35/6,510.09
  6. Step 6: Final answer
    x = 5,895.45

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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.