Home / 5,655.59-7,804.76-3,137.87

Finding the Fourth Proportional to 5,655.59, 7,804.76 and 3,137.87

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Solution

The fourth proportional to 5,655.59, 7,804.76 and 3,137.87 is: 4,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.59 : 7,804.76 = 3,137.87 : x
  2. Step 2: Convert to fraction form
    5,655.59/7,804.76 = 3,137.87/x
  3. Step 3: Cross multiply
    5,655.59x = 7,804.76 × 3,137.87
  4. Step 4: Simplify right side
    5,655.59x = 24,490,309.64
  5. Step 5: Solve for x
    x = 24,490,309.64/5,655.59
  6. Step 6: Final answer
    x = 4,330.28

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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.