Home / 9,330.60-12,878.87-6,146.22

Finding the Fourth Proportional to 9,330.60, 12,878.87 and 6,146.22

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Solution

The fourth proportional to 9,330.60, 12,878.87 and 6,146.22 is: 8,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.60 : 12,878.87 = 6,146.22 : x
  2. Step 2: Convert to fraction form
    9,330.60/12,878.87 = 6,146.22/x
  3. Step 3: Cross multiply
    9,330.60x = 12,878.87 × 6,146.22
  4. Step 4: Simplify right side
    9,330.60x = 79,156,303.98
  5. Step 5: Solve for x
    x = 79,156,303.98/9,330.60
  6. Step 6: Final answer
    x = 8,483.52

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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.