Home / 5,210.27-7,191.19-2,971.93

Finding the Fourth Proportional to 5,210.27, 7,191.19 and 2,971.93

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Solution

The fourth proportional to 5,210.27, 7,191.19 and 2,971.93 is: 4,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.27 : 7,191.19 = 2,971.93 : x
  2. Step 2: Convert to fraction form
    5,210.27/7,191.19 = 2,971.93/x
  3. Step 3: Cross multiply
    5,210.27x = 7,191.19 × 2,971.93
  4. Step 4: Simplify right side
    5,210.27x = 21,371,677.34
  5. Step 5: Solve for x
    x = 21,371,677.34/5,210.27
  6. Step 6: Final answer
    x = 4,101.84

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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.