Home / 6,291.30-9,426.15-4,098.90

Finding the Fourth Proportional to 6,291.30, 9,426.15 and 4,098.90

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Solution

The fourth proportional to 6,291.30, 9,426.15 and 4,098.90 is: 6,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.30 : 9,426.15 = 4,098.90 : x
  2. Step 2: Convert to fraction form
    6,291.30/9,426.15 = 4,098.90/x
  3. Step 3: Cross multiply
    6,291.30x = 9,426.15 × 4,098.90
  4. Step 4: Simplify right side
    6,291.30x = 38,636,846.24
  5. Step 5: Solve for x
    x = 38,636,846.24/6,291.30
  6. Step 6: Final answer
    x = 6,141.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.