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Finding the Fourth Proportional to 6,510.31, 8,979.60 and 4,494.49

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Solution

The fourth proportional to 6,510.31, 8,979.60 and 4,494.49 is: 6,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.31 : 8,979.60 = 4,494.49 : x
  2. Step 2: Convert to fraction form
    6,510.31/8,979.60 = 4,494.49/x
  3. Step 3: Cross multiply
    6,510.31x = 8,979.60 × 4,494.49
  4. Step 4: Simplify right side
    6,510.31x = 40,358,722.40
  5. Step 5: Solve for x
    x = 40,358,722.40/6,510.31
  6. Step 6: Final answer
    x = 6,199.20

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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.