Home / 5,267.78-7,903.02-2,345.36

Finding the Fourth Proportional to 5,267.78, 7,903.02 and 2,345.36

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Solution

The fourth proportional to 5,267.78, 7,903.02 and 2,345.36 is: 3,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.78 : 7,903.02 = 2,345.36 : x
  2. Step 2: Convert to fraction form
    5,267.78/7,903.02 = 2,345.36/x
  3. Step 3: Cross multiply
    5,267.78x = 7,903.02 × 2,345.36
  4. Step 4: Simplify right side
    5,267.78x = 18,535,426.99
  5. Step 5: Solve for x
    x = 18,535,426.99/5,267.78
  6. Step 6: Final answer
    x = 3,518.64

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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.