Home / 5,607.15-8,407.08-2,687.10

Finding the Fourth Proportional to 5,607.15, 8,407.08 and 2,687.10

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Solution

The fourth proportional to 5,607.15, 8,407.08 and 2,687.10 is: 4,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.15 : 8,407.08 = 2,687.10 : x
  2. Step 2: Convert to fraction form
    5,607.15/8,407.08 = 2,687.10/x
  3. Step 3: Cross multiply
    5,607.15x = 8,407.08 × 2,687.10
  4. Step 4: Simplify right side
    5,607.15x = 22,590,664.67
  5. Step 5: Solve for x
    x = 22,590,664.67/5,607.15
  6. Step 6: Final answer
    x = 4,028.90

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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.