Home / 8,127.02-11,211.95-5,475.29

Finding the Fourth Proportional to 8,127.02, 11,211.95 and 5,475.29

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Solution

The fourth proportional to 8,127.02, 11,211.95 and 5,475.29 is: 7,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.02 : 11,211.95 = 5,475.29 : x
  2. Step 2: Convert to fraction form
    8,127.02/11,211.95 = 5,475.29/x
  3. Step 3: Cross multiply
    8,127.02x = 11,211.95 × 5,475.29
  4. Step 4: Simplify right side
    8,127.02x = 61,388,635.34
  5. Step 5: Solve for x
    x = 61,388,635.34/8,127.02
  6. Step 6: Final answer
    x = 7,553.64

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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.