Home / 6,290.30-8,665.62-4,398.35

Finding the Fourth Proportional to 6,290.30, 8,665.62 and 4,398.35

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Solution

The fourth proportional to 6,290.30, 8,665.62 and 4,398.35 is: 6,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.30 : 8,665.62 = 4,398.35 : x
  2. Step 2: Convert to fraction form
    6,290.30/8,665.62 = 4,398.35/x
  3. Step 3: Cross multiply
    6,290.30x = 8,665.62 × 4,398.35
  4. Step 4: Simplify right side
    6,290.30x = 38,114,364.41
  5. Step 5: Solve for x
    x = 38,114,364.41/6,290.30
  6. Step 6: Final answer
    x = 6,059.23

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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.