Home / 4,639.60-6,959.40-2,796.40

Finding the Fourth Proportional to 4,639.60, 6,959.40 and 2,796.40

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Solution

The fourth proportional to 4,639.60, 6,959.40 and 2,796.40 is: 4,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.60 : 6,959.40 = 2,796.40 : x
  2. Step 2: Convert to fraction form
    4,639.60/6,959.40 = 2,796.40/x
  3. Step 3: Cross multiply
    4,639.60x = 6,959.40 × 2,796.40
  4. Step 4: Simplify right side
    4,639.60x = 19,461,266.16
  5. Step 5: Solve for x
    x = 19,461,266.16/4,639.60
  6. Step 6: Final answer
    x = 4,194.60

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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.