Home / 5,447.09-7,516.09-3,430.19

Finding the Fourth Proportional to 5,447.09, 7,516.09 and 3,430.19

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Solution

The fourth proportional to 5,447.09, 7,516.09 and 3,430.19 is: 4,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.09 : 7,516.09 = 3,430.19 : x
  2. Step 2: Convert to fraction form
    5,447.09/7,516.09 = 3,430.19/x
  3. Step 3: Cross multiply
    5,447.09x = 7,516.09 × 3,430.19
  4. Step 4: Simplify right side
    5,447.09x = 25,781,639.84
  5. Step 5: Solve for x
    x = 25,781,639.84/5,447.09
  6. Step 6: Final answer
    x = 4,733.10

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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.