Home / 8,848.38-12,210.84-4,869.78

Finding the Fourth Proportional to 8,848.38, 12,210.84 and 4,869.78

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Solution

The fourth proportional to 8,848.38, 12,210.84 and 4,869.78 is: 6,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.38 : 12,210.84 = 4,869.78 : x
  2. Step 2: Convert to fraction form
    8,848.38/12,210.84 = 4,869.78/x
  3. Step 3: Cross multiply
    8,848.38x = 12,210.84 × 4,869.78
  4. Step 4: Simplify right side
    8,848.38x = 59,464,104.42
  5. Step 5: Solve for x
    x = 59,464,104.42/8,848.38
  6. Step 6: Final answer
    x = 6,720.34

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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.