Home / 8,490.15-11,717.46-4,953.35

Finding the Fourth Proportional to 8,490.15, 11,717.46 and 4,953.35

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Solution

The fourth proportional to 8,490.15, 11,717.46 and 4,953.35 is: 6,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.15 : 11,717.46 = 4,953.35 : x
  2. Step 2: Convert to fraction form
    8,490.15/11,717.46 = 4,953.35/x
  3. Step 3: Cross multiply
    8,490.15x = 11,717.46 × 4,953.35
  4. Step 4: Simplify right side
    8,490.15x = 58,040,709.78
  5. Step 5: Solve for x
    x = 58,040,709.78/8,490.15
  6. Step 6: Final answer
    x = 6,836.24

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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.