Home / 9,303.12-12,829.44-6,110.76

Finding the Fourth Proportional to 9,303.12, 12,829.44 and 6,110.76

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Solution

The fourth proportional to 9,303.12, 12,829.44 and 6,110.76 is: 8,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.12 : 12,829.44 = 6,110.76 : x
  2. Step 2: Convert to fraction form
    9,303.12/12,829.44 = 6,110.76/x
  3. Step 3: Cross multiply
    9,303.12x = 12,829.44 × 6,110.76
  4. Step 4: Simplify right side
    9,303.12x = 78,397,628.77
  5. Step 5: Solve for x
    x = 78,397,628.77/9,303.12
  6. Step 6: Final answer
    x = 8,427.03

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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.