Home / 5,483.13-8,220.57-1,783.16

Finding the Fourth Proportional to 5,483.13, 8,220.57 and 1,783.16

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Solution

The fourth proportional to 5,483.13, 8,220.57 and 1,783.16 is: 2,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.13 : 8,220.57 = 1,783.16 : x
  2. Step 2: Convert to fraction form
    5,483.13/8,220.57 = 1,783.16/x
  3. Step 3: Cross multiply
    5,483.13x = 8,220.57 × 1,783.16
  4. Step 4: Simplify right side
    5,483.13x = 14,658,591.60
  5. Step 5: Solve for x
    x = 14,658,591.60/5,483.13
  6. Step 6: Final answer
    x = 2,673.40

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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.