Home / 5,360.64-8,038.08-2,439.60

Finding the Fourth Proportional to 5,360.64, 8,038.08 and 2,439.60

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Solution

The fourth proportional to 5,360.64, 8,038.08 and 2,439.60 is: 3,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.64 : 8,038.08 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    5,360.64/8,038.08 = 2,439.60/x
  3. Step 3: Cross multiply
    5,360.64x = 8,038.08 × 2,439.60
  4. Step 4: Simplify right side
    5,360.64x = 19,609,699.97
  5. Step 5: Solve for x
    x = 19,609,699.97/5,360.64
  6. Step 6: Final answer
    x = 3,658.09

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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.