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Finding the Fourth Proportional to 4,335.48, 6,500.48 and 2,389.05

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Solution

The fourth proportional to 4,335.48, 6,500.48 and 2,389.05 is: 3,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.48 : 6,500.48 = 2,389.05 : x
  2. Step 2: Convert to fraction form
    4,335.48/6,500.48 = 2,389.05/x
  3. Step 3: Cross multiply
    4,335.48x = 6,500.48 × 2,389.05
  4. Step 4: Simplify right side
    4,335.48x = 15,529,959.80
  5. Step 5: Solve for x
    x = 15,529,959.80/4,335.48
  6. Step 6: Final answer
    x = 3,582.06

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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.