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Finding the Fourth Proportional to 7,032.42, 9,705.42 and 4,675.32

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Solution

The fourth proportional to 7,032.42, 9,705.42 and 4,675.32 is: 6,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.42 : 9,705.42 = 4,675.32 : x
  2. Step 2: Convert to fraction form
    7,032.42/9,705.42 = 4,675.32/x
  3. Step 3: Cross multiply
    7,032.42x = 9,705.42 × 4,675.32
  4. Step 4: Simplify right side
    7,032.42x = 45,375,944.23
  5. Step 5: Solve for x
    x = 45,375,944.23/7,032.42
  6. Step 6: Final answer
    x = 6,452.39

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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.