Home / 8,484.08-11,709.40-5,127.36

Finding the Fourth Proportional to 8,484.08, 11,709.40 and 5,127.36

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Solution

The fourth proportional to 8,484.08, 11,709.40 and 5,127.36 is: 7,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.08 : 11,709.40 = 5,127.36 : x
  2. Step 2: Convert to fraction form
    8,484.08/11,709.40 = 5,127.36/x
  3. Step 3: Cross multiply
    8,484.08x = 11,709.40 × 5,127.36
  4. Step 4: Simplify right side
    8,484.08x = 60,038,309.18
  5. Step 5: Solve for x
    x = 60,038,309.18/8,484.08
  6. Step 6: Final answer
    x = 7,076.58

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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.