Home / 5,381.16-8,070.84-2,607.12

Finding the Fourth Proportional to 5,381.16, 8,070.84 and 2,607.12

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Solution

The fourth proportional to 5,381.16, 8,070.84 and 2,607.12 is: 3,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.16 : 8,070.84 = 2,607.12 : x
  2. Step 2: Convert to fraction form
    5,381.16/8,070.84 = 2,607.12/x
  3. Step 3: Cross multiply
    5,381.16x = 8,070.84 × 2,607.12
  4. Step 4: Simplify right side
    5,381.16x = 21,041,648.38
  5. Step 5: Solve for x
    x = 21,041,648.38/5,381.16
  6. Step 6: Final answer
    x = 3,910.24

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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.