Home / 9,398.30-12,968.75-5,620.70

Finding the Fourth Proportional to 9,398.30, 12,968.75 and 5,620.70

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Solution

The fourth proportional to 9,398.30, 12,968.75 and 5,620.70 is: 7,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.30 : 12,968.75 = 5,620.70 : x
  2. Step 2: Convert to fraction form
    9,398.30/12,968.75 = 5,620.70/x
  3. Step 3: Cross multiply
    9,398.30x = 12,968.75 × 5,620.70
  4. Step 4: Simplify right side
    9,398.30x = 72,893,453.13
  5. Step 5: Solve for x
    x = 72,893,453.13/9,398.30
  6. Step 6: Final answer
    x = 7,756.03

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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.