Home / 4,869.60-7,304.40-4,495.20

Finding the Fourth Proportional to 4,869.60, 7,304.40 and 4,495.20

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Solution

The fourth proportional to 4,869.60, 7,304.40 and 4,495.20 is: 6,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.60 : 7,304.40 = 4,495.20 : x
  2. Step 2: Convert to fraction form
    4,869.60/7,304.40 = 4,495.20/x
  3. Step 3: Cross multiply
    4,869.60x = 7,304.40 × 4,495.20
  4. Step 4: Simplify right side
    4,869.60x = 32,834,738.88
  5. Step 5: Solve for x
    x = 32,834,738.88/4,869.60
  6. Step 6: Final answer
    x = 6,742.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.