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Finding the Fourth Proportional to 5,573.79, 7,689.72 and 3,304.62

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Solution

The fourth proportional to 5,573.79, 7,689.72 and 3,304.62 is: 4,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.79 : 7,689.72 = 3,304.62 : x
  2. Step 2: Convert to fraction form
    5,573.79/7,689.72 = 3,304.62/x
  3. Step 3: Cross multiply
    5,573.79x = 7,689.72 × 3,304.62
  4. Step 4: Simplify right side
    5,573.79x = 25,411,602.51
  5. Step 5: Solve for x
    x = 25,411,602.51/5,573.79
  6. Step 6: Final answer
    x = 4,559.12

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1.5x scale

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.