Home / 9,285.96-12,814.66-5,307.20

Finding the Fourth Proportional to 9,285.96, 12,814.66 and 5,307.20

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Solution

The fourth proportional to 9,285.96, 12,814.66 and 5,307.20 is: 7,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.96 : 12,814.66 = 5,307.20 : x
  2. Step 2: Convert to fraction form
    9,285.96/12,814.66 = 5,307.20/x
  3. Step 3: Cross multiply
    9,285.96x = 12,814.66 × 5,307.20
  4. Step 4: Simplify right side
    9,285.96x = 68,009,963.55
  5. Step 5: Solve for x
    x = 68,009,963.55/9,285.96
  6. Step 6: Final answer
    x = 7,323.96

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Similar ratio
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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.