Home / 4,817.64-7,228.80-1,898.40

Finding the Fourth Proportional to 4,817.64, 7,228.80 and 1,898.40

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Solution

The fourth proportional to 4,817.64, 7,228.80 and 1,898.40 is: 2,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.64 : 7,228.80 = 1,898.40 : x
  2. Step 2: Convert to fraction form
    4,817.64/7,228.80 = 1,898.40/x
  3. Step 3: Cross multiply
    4,817.64x = 7,228.80 × 1,898.40
  4. Step 4: Simplify right side
    4,817.64x = 13,723,153.92
  5. Step 5: Solve for x
    x = 13,723,153.92/4,817.64
  6. Step 6: Final answer
    x = 2,848.52

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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.