Home / 4,909.60-7,356.30-4,083.40

Finding the Fourth Proportional to 4,909.60, 7,356.30 and 4,083.40

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Solution

The fourth proportional to 4,909.60, 7,356.30 and 4,083.40 is: 6,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.60 : 7,356.30 = 4,083.40 : x
  2. Step 2: Convert to fraction form
    4,909.60/7,356.30 = 4,083.40/x
  3. Step 3: Cross multiply
    4,909.60x = 7,356.30 × 4,083.40
  4. Step 4: Simplify right side
    4,909.60x = 30,038,715.42
  5. Step 5: Solve for x
    x = 30,038,715.42/4,909.60
  6. Step 6: Final answer
    x = 6,118.36

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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.