Home / 8,777.36-12,113.88-5,051.36

Finding the Fourth Proportional to 8,777.36, 12,113.88 and 5,051.36

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Solution

The fourth proportional to 8,777.36, 12,113.88 and 5,051.36 is: 6,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.36 : 12,113.88 = 5,051.36 : x
  2. Step 2: Convert to fraction form
    8,777.36/12,113.88 = 5,051.36/x
  3. Step 3: Cross multiply
    8,777.36x = 12,113.88 × 5,051.36
  4. Step 4: Simplify right side
    8,777.36x = 61,191,568.88
  5. Step 5: Solve for x
    x = 61,191,568.88/8,777.36
  6. Step 6: Final answer
    x = 6,971.52

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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.