Home / 8,490.98-11,717.43-4,714.14

Finding the Fourth Proportional to 8,490.98, 11,717.43 and 4,714.14

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Solution

The fourth proportional to 8,490.98, 11,717.43 and 4,714.14 is: 6,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.98 : 11,717.43 = 4,714.14 : x
  2. Step 2: Convert to fraction form
    8,490.98/11,717.43 = 4,714.14/x
  3. Step 3: Cross multiply
    8,490.98x = 11,717.43 × 4,714.14
  4. Step 4: Simplify right side
    8,490.98x = 55,237,605.46
  5. Step 5: Solve for x
    x = 55,237,605.46/8,490.98
  6. Step 6: Final answer
    x = 6,505.45

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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.