Home / 8,206.98-11,325.68-4,670.40

Finding the Fourth Proportional to 8,206.98, 11,325.68 and 4,670.40

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Solution

The fourth proportional to 8,206.98, 11,325.68 and 4,670.40 is: 6,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.98 : 11,325.68 = 4,670.40 : x
  2. Step 2: Convert to fraction form
    8,206.98/11,325.68 = 4,670.40/x
  3. Step 3: Cross multiply
    8,206.98x = 11,325.68 × 4,670.40
  4. Step 4: Simplify right side
    8,206.98x = 52,895,455.87
  5. Step 5: Solve for x
    x = 52,895,455.87/8,206.98
  6. Step 6: Final answer
    x = 6,445.18

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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.