Home / 8,491.24-11,717.37-4,714.40

Finding the Fourth Proportional to 8,491.24, 11,717.37 and 4,714.40

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Solution

The fourth proportional to 8,491.24, 11,717.37 and 4,714.40 is: 6,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.24 : 11,717.37 = 4,714.40 : x
  2. Step 2: Convert to fraction form
    8,491.24/11,717.37 = 4,714.40/x
  3. Step 3: Cross multiply
    8,491.24x = 11,717.37 × 4,714.40
  4. Step 4: Simplify right side
    8,491.24x = 55,240,385.16
  5. Step 5: Solve for x
    x = 55,240,385.16/8,491.24
  6. Step 6: Final answer
    x = 6,505.57

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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.