Home / 5,685.20-8,483.37-4,501.78

Finding the Fourth Proportional to 5,685.20, 8,483.37 and 4,501.78

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Solution

The fourth proportional to 5,685.20, 8,483.37 and 4,501.78 is: 6,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.20 : 8,483.37 = 4,501.78 : x
  2. Step 2: Convert to fraction form
    5,685.20/8,483.37 = 4,501.78/x
  3. Step 3: Cross multiply
    5,685.20x = 8,483.37 × 4,501.78
  4. Step 4: Simplify right side
    5,685.20x = 38,190,265.40
  5. Step 5: Solve for x
    x = 38,190,265.40/5,685.20
  6. Step 6: Final answer
    x = 6,717.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.