Home / 4,731.61-6,528.63-2,742.05

Finding the Fourth Proportional to 4,731.61, 6,528.63 and 2,742.05

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Solution

The fourth proportional to 4,731.61, 6,528.63 and 2,742.05 is: 3,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.61 : 6,528.63 = 2,742.05 : x
  2. Step 2: Convert to fraction form
    4,731.61/6,528.63 = 2,742.05/x
  3. Step 3: Cross multiply
    4,731.61x = 6,528.63 × 2,742.05
  4. Step 4: Simplify right side
    4,731.61x = 17,901,829.89
  5. Step 5: Solve for x
    x = 17,901,829.89/4,731.61
  6. Step 6: Final answer
    x = 3,783.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.