Home / 8,784.12-12,122.09-4,805.23

Finding the Fourth Proportional to 8,784.12, 12,122.09 and 4,805.23

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Solution

The fourth proportional to 8,784.12, 12,122.09 and 4,805.23 is: 6,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.12 : 12,122.09 = 4,805.23 : x
  2. Step 2: Convert to fraction form
    8,784.12/12,122.09 = 4,805.23/x
  3. Step 3: Cross multiply
    8,784.12x = 12,122.09 × 4,805.23
  4. Step 4: Simplify right side
    8,784.12x = 58,249,430.53
  5. Step 5: Solve for x
    x = 58,249,430.53/8,784.12
  6. Step 6: Final answer
    x = 6,631.22

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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.