Home / 7,039.89-9,713.96-4,055.14

Finding the Fourth Proportional to 7,039.89, 9,713.96 and 4,055.14

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Solution

The fourth proportional to 7,039.89, 9,713.96 and 4,055.14 is: 5,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.89 : 9,713.96 = 4,055.14 : x
  2. Step 2: Convert to fraction form
    7,039.89/9,713.96 = 4,055.14/x
  3. Step 3: Cross multiply
    7,039.89x = 9,713.96 × 4,055.14
  4. Step 4: Simplify right side
    7,039.89x = 39,391,419.18
  5. Step 5: Solve for x
    x = 39,391,419.18/7,039.89
  6. Step 6: Final answer
    x = 5,595.46

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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.