Home / 5,809.02-8,016.30-3,156.39

Finding the Fourth Proportional to 5,809.02, 8,016.30 and 3,156.39

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Solution

The fourth proportional to 5,809.02, 8,016.30 and 3,156.39 is: 4,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.02 : 8,016.30 = 3,156.39 : x
  2. Step 2: Convert to fraction form
    5,809.02/8,016.30 = 3,156.39/x
  3. Step 3: Cross multiply
    5,809.02x = 8,016.30 × 3,156.39
  4. Step 4: Simplify right side
    5,809.02x = 25,302,569.16
  5. Step 5: Solve for x
    x = 25,302,569.16/5,809.02
  6. Step 6: Final answer
    x = 4,355.74

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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.