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Finding the Fourth Proportional to 8,854.95, 13,290.53 and 5,573.91

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Solution

The fourth proportional to 8,854.95, 13,290.53 and 5,573.91 is: 8,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.95 : 13,290.53 = 5,573.91 : x
  2. Step 2: Convert to fraction form
    8,854.95/13,290.53 = 5,573.91/x
  3. Step 3: Cross multiply
    8,854.95x = 13,290.53 × 5,573.91
  4. Step 4: Simplify right side
    8,854.95x = 74,080,271.40
  5. Step 5: Solve for x
    x = 74,080,271.40/8,854.95
  6. Step 6: Final answer
    x = 8,365.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.