Home / 5,571.60-7,688.70-3,053.68

Finding the Fourth Proportional to 5,571.60, 7,688.70 and 3,053.68

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Solution

The fourth proportional to 5,571.60, 7,688.70 and 3,053.68 is: 4,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.60 : 7,688.70 = 3,053.68 : x
  2. Step 2: Convert to fraction form
    5,571.60/7,688.70 = 3,053.68/x
  3. Step 3: Cross multiply
    5,571.60x = 7,688.70 × 3,053.68
  4. Step 4: Simplify right side
    5,571.60x = 23,478,829.42
  5. Step 5: Solve for x
    x = 23,478,829.42/5,571.60
  6. Step 6: Final answer
    x = 4,214.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.