Home / 5,509.46-8,264.19-2,587.76

Finding the Fourth Proportional to 5,509.46, 8,264.19 and 2,587.76

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Solution

The fourth proportional to 5,509.46, 8,264.19 and 2,587.76 is: 3,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.46 : 8,264.19 = 2,587.76 : x
  2. Step 2: Convert to fraction form
    5,509.46/8,264.19 = 2,587.76/x
  3. Step 3: Cross multiply
    5,509.46x = 8,264.19 × 2,587.76
  4. Step 4: Simplify right side
    5,509.46x = 21,385,740.31
  5. Step 5: Solve for x
    x = 21,385,740.31/5,509.46
  6. Step 6: Final answer
    x = 3,881.64

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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.