Home / 9,307.08-12,845.98-5,330.48

Finding the Fourth Proportional to 9,307.08, 12,845.98 and 5,330.48

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Solution

The fourth proportional to 9,307.08, 12,845.98 and 5,330.48 is: 7,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.08 : 12,845.98 = 5,330.48 : x
  2. Step 2: Convert to fraction form
    9,307.08/12,845.98 = 5,330.48/x
  3. Step 3: Cross multiply
    9,307.08x = 12,845.98 × 5,330.48
  4. Step 4: Simplify right side
    9,307.08x = 68,475,239.47
  5. Step 5: Solve for x
    x = 68,475,239.47/9,307.08
  6. Step 6: Final answer
    x = 7,357.33

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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.