Home / 8,847.98-12,206.13-5,705.18

Finding the Fourth Proportional to 8,847.98, 12,206.13 and 5,705.18

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Solution

The fourth proportional to 8,847.98, 12,206.13 and 5,705.18 is: 7,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.98 : 12,206.13 = 5,705.18 : x
  2. Step 2: Convert to fraction form
    8,847.98/12,206.13 = 5,705.18/x
  3. Step 3: Cross multiply
    8,847.98x = 12,206.13 × 5,705.18
  4. Step 4: Simplify right side
    8,847.98x = 69,638,168.75
  5. Step 5: Solve for x
    x = 69,638,168.75/8,847.98
  6. Step 6: Final answer
    x = 7,870.52

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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.