Home / 8,849.46-12,211.94-4,870.20

Finding the Fourth Proportional to 8,849.46, 12,211.94 and 4,870.20

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Solution

The fourth proportional to 8,849.46, 12,211.94 and 4,870.20 is: 6,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.46 : 12,211.94 = 4,870.20 : x
  2. Step 2: Convert to fraction form
    8,849.46/12,211.94 = 4,870.20/x
  3. Step 3: Cross multiply
    8,849.46x = 12,211.94 × 4,870.20
  4. Step 4: Simplify right side
    8,849.46x = 59,474,590.19
  5. Step 5: Solve for x
    x = 59,474,590.19/8,849.46
  6. Step 6: Final answer
    x = 6,720.70

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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.