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Finding the Fourth Proportional to 8,521.04, 12,782.52 and 2,365.04

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Solution

The fourth proportional to 8,521.04, 12,782.52 and 2,365.04 is: 3,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.04 : 12,782.52 = 2,365.04 : x
  2. Step 2: Convert to fraction form
    8,521.04/12,782.52 = 2,365.04/x
  3. Step 3: Cross multiply
    8,521.04x = 12,782.52 × 2,365.04
  4. Step 4: Simplify right side
    8,521.04x = 30,231,171.10
  5. Step 5: Solve for x
    x = 30,231,171.10/8,521.04
  6. Step 6: Final answer
    x = 3,547.83

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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.