Home / 4,845.48-7,271.40-2,655.74

Finding the Fourth Proportional to 4,845.48, 7,271.40 and 2,655.74

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Solution

The fourth proportional to 4,845.48, 7,271.40 and 2,655.74 is: 3,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.48 : 7,271.40 = 2,655.74 : x
  2. Step 2: Convert to fraction form
    4,845.48/7,271.40 = 2,655.74/x
  3. Step 3: Cross multiply
    4,845.48x = 7,271.40 × 2,655.74
  4. Step 4: Simplify right side
    4,845.48x = 19,310,947.84
  5. Step 5: Solve for x
    x = 19,310,947.84/4,845.48
  6. Step 6: Final answer
    x = 3,985.35

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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.