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Finding the Fourth Proportional to 8,293.88, 11,445.55 and 4,567.88

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Solution

The fourth proportional to 8,293.88, 11,445.55 and 4,567.88 is: 6,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.88 : 11,445.55 = 4,567.88 : x
  2. Step 2: Convert to fraction form
    8,293.88/11,445.55 = 4,567.88/x
  3. Step 3: Cross multiply
    8,293.88x = 11,445.55 × 4,567.88
  4. Step 4: Simplify right side
    8,293.88x = 52,281,898.93
  5. Step 5: Solve for x
    x = 52,281,898.93/8,293.88
  6. Step 6: Final answer
    x = 6,303.67

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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.