Home / 5,509.15-8,264.27-1,809.88

Finding the Fourth Proportional to 5,509.15, 8,264.27 and 1,809.88

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Solution

The fourth proportional to 5,509.15, 8,264.27 and 1,809.88 is: 2,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.15 : 8,264.27 = 1,809.88 : x
  2. Step 2: Convert to fraction form
    5,509.15/8,264.27 = 1,809.88/x
  3. Step 3: Cross multiply
    5,509.15x = 8,264.27 × 1,809.88
  4. Step 4: Simplify right side
    5,509.15x = 14,957,327.94
  5. Step 5: Solve for x
    x = 14,957,327.94/5,509.15
  6. Step 6: Final answer
    x = 2,715.00

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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.