Home / 7,570.13-10,447.27-4,212.94

Finding the Fourth Proportional to 7,570.13, 10,447.27 and 4,212.94

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Solution

The fourth proportional to 7,570.13, 10,447.27 and 4,212.94 is: 5,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.13 : 10,447.27 = 4,212.94 : x
  2. Step 2: Convert to fraction form
    7,570.13/10,447.27 = 4,212.94/x
  3. Step 3: Cross multiply
    7,570.13x = 10,447.27 × 4,212.94
  4. Step 4: Simplify right side
    7,570.13x = 44,013,679.97
  5. Step 5: Solve for x
    x = 44,013,679.97/7,570.13
  6. Step 6: Final answer
    x = 5,814.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.