Home / 5,655.52-8,477.64-2,688.76

Finding the Fourth Proportional to 5,655.52, 8,477.64 and 2,688.76

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Solution

The fourth proportional to 5,655.52, 8,477.64 and 2,688.76 is: 4,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.52 : 8,477.64 = 2,688.76 : x
  2. Step 2: Convert to fraction form
    5,655.52/8,477.64 = 2,688.76/x
  3. Step 3: Cross multiply
    5,655.52x = 8,477.64 × 2,688.76
  4. Step 4: Simplify right side
    5,655.52x = 22,794,339.33
  5. Step 5: Solve for x
    x = 22,794,339.33/5,655.52
  6. Step 6: Final answer
    x = 4,030.46

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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.