Home / 5,507.27-8,260.98-1,809.78

Finding the Fourth Proportional to 5,507.27, 8,260.98 and 1,809.78

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Solution

The fourth proportional to 5,507.27, 8,260.98 and 1,809.78 is: 2,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.27 : 8,260.98 = 1,809.78 : x
  2. Step 2: Convert to fraction form
    5,507.27/8,260.98 = 1,809.78/x
  3. Step 3: Cross multiply
    5,507.27x = 8,260.98 × 1,809.78
  4. Step 4: Simplify right side
    5,507.27x = 14,950,547.34
  5. Step 5: Solve for x
    x = 14,950,547.34/5,507.27
  6. Step 6: Final answer
    x = 2,714.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.