Home / 8,848.46-12,210.56-4,869.20

Finding the Fourth Proportional to 8,848.46, 12,210.56 and 4,869.20

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Solution

The fourth proportional to 8,848.46, 12,210.56 and 4,869.20 is: 6,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.46 : 12,210.56 = 4,869.20 : x
  2. Step 2: Convert to fraction form
    8,848.46/12,210.56 = 4,869.20/x
  3. Step 3: Cross multiply
    8,848.46x = 12,210.56 × 4,869.20
  4. Step 4: Simplify right side
    8,848.46x = 59,455,658.75
  5. Step 5: Solve for x
    x = 59,455,658.75/8,848.46
  6. Step 6: Final answer
    x = 6,719.32

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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.