Home / 7,070.43-10,609.29-2,913.51

Finding the Fourth Proportional to 7,070.43, 10,609.29 and 2,913.51

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Solution

The fourth proportional to 7,070.43, 10,609.29 and 2,913.51 is: 4,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.43 : 10,609.29 = 2,913.51 : x
  2. Step 2: Convert to fraction form
    7,070.43/10,609.29 = 2,913.51/x
  3. Step 3: Cross multiply
    7,070.43x = 10,609.29 × 2,913.51
  4. Step 4: Simplify right side
    7,070.43x = 30,910,272.51
  5. Step 5: Solve for x
    x = 30,910,272.51/7,070.43
  6. Step 6: Final answer
    x = 4,371.77

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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.