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Finding the Fourth Proportional to 8,597.65, 11,864.55 and 4,820.98

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Solution

The fourth proportional to 8,597.65, 11,864.55 and 4,820.98 is: 6,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.65 : 11,864.55 = 4,820.98 : x
  2. Step 2: Convert to fraction form
    8,597.65/11,864.55 = 4,820.98/x
  3. Step 3: Cross multiply
    8,597.65x = 11,864.55 × 4,820.98
  4. Step 4: Simplify right side
    8,597.65x = 57,198,758.26
  5. Step 5: Solve for x
    x = 57,198,758.26/8,597.65
  6. Step 6: Final answer
    x = 6,652.84

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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.