Home / 4,848.31-7,271.65-1,384.75

Finding the Fourth Proportional to 4,848.31, 7,271.65 and 1,384.75

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Solution

The fourth proportional to 4,848.31, 7,271.65 and 1,384.75 is: 2,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.31 : 7,271.65 = 1,384.75 : x
  2. Step 2: Convert to fraction form
    4,848.31/7,271.65 = 1,384.75/x
  3. Step 3: Cross multiply
    4,848.31x = 7,271.65 × 1,384.75
  4. Step 4: Simplify right side
    4,848.31x = 10,069,417.34
  5. Step 5: Solve for x
    x = 10,069,417.34/4,848.31
  6. Step 6: Final answer
    x = 2,076.89

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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.