Home / 9,423.78-14,132.40-2,848.20

Finding the Fourth Proportional to 9,423.78, 14,132.40 and 2,848.20

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Solution

The fourth proportional to 9,423.78, 14,132.40 and 2,848.20 is: 4,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.78 : 14,132.40 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    9,423.78/14,132.40 = 2,848.20/x
  3. Step 3: Cross multiply
    9,423.78x = 14,132.40 × 2,848.20
  4. Step 4: Simplify right side
    9,423.78x = 40,251,901.68
  5. Step 5: Solve for x
    x = 40,251,901.68/9,423.78
  6. Step 6: Final answer
    x = 4,271.31

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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.