Home / 6,890.12-9,507.33-4,057.28

Finding the Fourth Proportional to 6,890.12, 9,507.33 and 4,057.28

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Solution

The fourth proportional to 6,890.12, 9,507.33 and 4,057.28 is: 5,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.12 : 9,507.33 = 4,057.28 : x
  2. Step 2: Convert to fraction form
    6,890.12/9,507.33 = 4,057.28/x
  3. Step 3: Cross multiply
    6,890.12x = 9,507.33 × 4,057.28
  4. Step 4: Simplify right side
    6,890.12x = 38,573,899.86
  5. Step 5: Solve for x
    x = 38,573,899.86/6,890.12
  6. Step 6: Final answer
    x = 5,598.44

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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.