Home / 8,549.30-12,823.88-2,705.76

Finding the Fourth Proportional to 8,549.30, 12,823.88 and 2,705.76

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Solution

The fourth proportional to 8,549.30, 12,823.88 and 2,705.76 is: 4,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.30 : 12,823.88 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    8,549.30/12,823.88 = 2,705.76/x
  3. Step 3: Cross multiply
    8,549.30x = 12,823.88 × 2,705.76
  4. Step 4: Simplify right side
    8,549.30x = 34,698,328.02
  5. Step 5: Solve for x
    x = 34,698,328.02/8,549.30
  6. Step 6: Final answer
    x = 4,058.62

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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.