Home / 7,010.90-10,516.35-2,080.10

Finding the Fourth Proportional to 7,010.90, 10,516.35 and 2,080.10

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Solution

The fourth proportional to 7,010.90, 10,516.35 and 2,080.10 is: 3,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.90 : 10,516.35 = 2,080.10 : x
  2. Step 2: Convert to fraction form
    7,010.90/10,516.35 = 2,080.10/x
  3. Step 3: Cross multiply
    7,010.90x = 10,516.35 × 2,080.10
  4. Step 4: Simplify right side
    7,010.90x = 21,875,059.64
  5. Step 5: Solve for x
    x = 21,875,059.64/7,010.90
  6. Step 6: Final answer
    x = 3,120.15

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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.