Home / 5,113.36-7,663.76-2,646.77

Finding the Fourth Proportional to 5,113.36, 7,663.76 and 2,646.77

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Solution

The fourth proportional to 5,113.36, 7,663.76 and 2,646.77 is: 3,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.36 : 7,663.76 = 2,646.77 : x
  2. Step 2: Convert to fraction form
    5,113.36/7,663.76 = 2,646.77/x
  3. Step 3: Cross multiply
    5,113.36x = 7,663.76 × 2,646.77
  4. Step 4: Simplify right side
    5,113.36x = 20,284,196.82
  5. Step 5: Solve for x
    x = 20,284,196.82/5,113.36
  6. Step 6: Final answer
    x = 3,966.91

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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.