Home / 5,320.48-7,342.10-2,930.51

Finding the Fourth Proportional to 5,320.48, 7,342.10 and 2,930.51

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Solution

The fourth proportional to 5,320.48, 7,342.10 and 2,930.51 is: 4,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.48 : 7,342.10 = 2,930.51 : x
  2. Step 2: Convert to fraction form
    5,320.48/7,342.10 = 2,930.51/x
  3. Step 3: Cross multiply
    5,320.48x = 7,342.10 × 2,930.51
  4. Step 4: Simplify right side
    5,320.48x = 21,516,097.47
  5. Step 5: Solve for x
    x = 21,516,097.47/5,320.48
  6. Step 6: Final answer
    x = 4,044.01

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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.