Home / 7,032.80-9,701.40-4,512.09

Finding the Fourth Proportional to 7,032.80, 9,701.40 and 4,512.09

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Solution

The fourth proportional to 7,032.80, 9,701.40 and 4,512.09 is: 6,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.80 : 9,701.40 = 4,512.09 : x
  2. Step 2: Convert to fraction form
    7,032.80/9,701.40 = 4,512.09/x
  3. Step 3: Cross multiply
    7,032.80x = 9,701.40 × 4,512.09
  4. Step 4: Simplify right side
    7,032.80x = 43,773,589.93
  5. Step 5: Solve for x
    x = 43,773,589.93/7,032.80
  6. Step 6: Final answer
    x = 6,224.21

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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.