Home / 5,142.15-7,710.93-1,631.16

Finding the Fourth Proportional to 5,142.15, 7,710.93 and 1,631.16

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Solution

The fourth proportional to 5,142.15, 7,710.93 and 1,631.16 is: 2,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.15 : 7,710.93 = 1,631.16 : x
  2. Step 2: Convert to fraction form
    5,142.15/7,710.93 = 1,631.16/x
  3. Step 3: Cross multiply
    5,142.15x = 7,710.93 × 1,631.16
  4. Step 4: Simplify right side
    5,142.15x = 12,577,760.58
  5. Step 5: Solve for x
    x = 12,577,760.58/5,142.15
  6. Step 6: Final answer
    x = 2,446.01

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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.