Home / 8,848.20-12,210.58-4,869.21

Finding the Fourth Proportional to 8,848.20, 12,210.58 and 4,869.21

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Solution

The fourth proportional to 8,848.20, 12,210.58 and 4,869.21 is: 6,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.20 : 12,210.58 = 4,869.21 : x
  2. Step 2: Convert to fraction form
    8,848.20/12,210.58 = 4,869.21/x
  3. Step 3: Cross multiply
    8,848.20x = 12,210.58 × 4,869.21
  4. Step 4: Simplify right side
    8,848.20x = 59,455,878.24
  5. Step 5: Solve for x
    x = 59,455,878.24/8,848.20
  6. Step 6: Final answer
    x = 6,719.55

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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.