Home / 7,030.48-10,542.62-3,742.79

Finding the Fourth Proportional to 7,030.48, 10,542.62 and 3,742.79

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Solution

The fourth proportional to 7,030.48, 10,542.62 and 3,742.79 is: 5,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.48 : 10,542.62 = 3,742.79 : x
  2. Step 2: Convert to fraction form
    7,030.48/10,542.62 = 3,742.79/x
  3. Step 3: Cross multiply
    7,030.48x = 10,542.62 × 3,742.79
  4. Step 4: Simplify right side
    7,030.48x = 39,458,812.71
  5. Step 5: Solve for x
    x = 39,458,812.71/7,030.48
  6. Step 6: Final answer
    x = 5,612.53

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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.