Home / 7,019.20-9,691.14-4,370.50

Finding the Fourth Proportional to 7,019.20, 9,691.14 and 4,370.50

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Solution

The fourth proportional to 7,019.20, 9,691.14 and 4,370.50 is: 6,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.20 : 9,691.14 = 4,370.50 : x
  2. Step 2: Convert to fraction form
    7,019.20/9,691.14 = 4,370.50/x
  3. Step 3: Cross multiply
    7,019.20x = 9,691.14 × 4,370.50
  4. Step 4: Simplify right side
    7,019.20x = 42,355,127.37
  5. Step 5: Solve for x
    x = 42,355,127.37/7,019.20
  6. Step 6: Final answer
    x = 6,034.18

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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.