Home / 7,320.13-10,980.19-1,848.13

Finding the Fourth Proportional to 7,320.13, 10,980.19 and 1,848.13

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Solution

The fourth proportional to 7,320.13, 10,980.19 and 1,848.13 is: 2,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.13 : 10,980.19 = 1,848.13 : x
  2. Step 2: Convert to fraction form
    7,320.13/10,980.19 = 1,848.13/x
  3. Step 3: Cross multiply
    7,320.13x = 10,980.19 × 1,848.13
  4. Step 4: Simplify right side
    7,320.13x = 20,292,818.54
  5. Step 5: Solve for x
    x = 20,292,818.54/7,320.13
  6. Step 6: Final answer
    x = 2,772.19

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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.