Home / 6,153.60-9,230.40-5,181.60

Finding the Fourth Proportional to 6,153.60, 9,230.40 and 5,181.60

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Solution

The fourth proportional to 6,153.60, 9,230.40 and 5,181.60 is: 7,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.60 : 9,230.40 = 5,181.60 : x
  2. Step 2: Convert to fraction form
    6,153.60/9,230.40 = 5,181.60/x
  3. Step 3: Cross multiply
    6,153.60x = 9,230.40 × 5,181.60
  4. Step 4: Simplify right side
    6,153.60x = 47,828,240.64
  5. Step 5: Solve for x
    x = 47,828,240.64/6,153.60
  6. Step 6: Final answer
    x = 7,772.40

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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.